2020+2019-2018+2017-2016+2015-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Evaluate
2109
Factor
3\times 19\times 37
Share
Copied to clipboard
4039-2018+2017-2016+2015-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2020 and 2019 to get 4039.
2021+2017-2016+2015-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2018 from 4039 to get 2021.
4038-2016+2015-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2021 and 2017 to get 4038.
2022+2015-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2016 from 4038 to get 2022.
4037-2014+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2022 and 2015 to get 4037.
2023+2013-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2014 from 4037 to get 2023.
4036-2012+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2023 and 2013 to get 4036.
2024+2011-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2012 from 4036 to get 2024.
4035-2010+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2024 and 2011 to get 4035.
2025+2009-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2010 from 4035 to get 2025.
4034-2008+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2025 and 2009 to get 4034.
2026+2007-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2008 from 4034 to get 2026.
4033-2006+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2026 and 2007 to get 4033.
2027+2005-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2006 from 4033 to get 2027.
4032-2004+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2027 and 2005 to get 4032.
2028+2003-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2004 from 4032 to get 2028.
4031-2002+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2028 and 2003 to get 4031.
2029+2001-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2002 from 4031 to get 2029.
4030-2000+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2029 and 2001 to get 4030.
2030+1999-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 2000 from 4030 to get 2030.
4029-1998+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2030 and 1999 to get 4029.
2031+1997-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1998 from 4029 to get 2031.
4028-1996+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2031 and 1997 to get 4028.
2032+1995-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1996 from 4028 to get 2032.
4027-1994+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2032 and 1995 to get 4027.
2033+1993-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1994 from 4027 to get 2033.
4026-1962+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2033 and 1993 to get 4026.
2064+1991-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1962 from 4026 to get 2064.
4055-1990+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2064 and 1991 to get 4055.
2065+1989-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1990 from 4055 to get 2065.
4054-1988+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2065 and 1989 to get 4054.
2066+1987-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1988 from 4054 to get 2066.
4053-1986+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2066 and 1987 to get 4053.
2067+1985-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1986 from 4053 to get 2067.
4052-1984+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2067 and 1985 to get 4052.
2068+1983-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1984 from 4052 to get 2068.
4051-1982+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2068 and 1983 to get 4051.
2069+1981-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1982 from 4051 to get 2069.
4050-1980+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2069 and 1981 to get 4050.
2070+1979-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1980 from 4050 to get 2070.
4049-1978+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2070 and 1979 to get 4049.
2071+1977-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1978 from 4049 to get 2071.
4048-1976+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2071 and 1977 to get 4048.
2072+1975-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1976 from 4048 to get 2072.
4047-1974+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2072 and 1975 to get 4047.
2073+1973-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1974 from 4047 to get 2073.
4046-1972+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2073 and 1973 to get 4046.
2074+1971-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1972 from 4046 to get 2074.
4045-1970+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2074 and 1971 to get 4045.
2075+1969-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1970 from 4045 to get 2075.
4044-1968+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2075 and 1969 to get 4044.
2076+1967-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1968 from 4044 to get 2076.
4043-1966+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2076 and 1967 to get 4043.
2077+1965-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1966 from 4043 to get 2077.
4042-1964+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2077 and 1965 to get 4042.
2078+1963-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1964 from 4042 to get 2078.
4041-1962+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2078 and 1963 to get 4041.
2079+1961-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1962 from 4041 to get 2079.
4040-1960+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2079 and 1961 to get 4040.
2080+1959-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1960 from 4040 to get 2080.
4039-1958+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2080 and 1959 to get 4039.
2081+1957-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1958 from 4039 to get 2081.
4038-1956+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2081 and 1957 to get 4038.
2082+1955-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1956 from 4038 to get 2082.
4037-1954+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2082 and 1955 to get 4037.
2083+1953-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1954 from 4037 to get 2083.
4036-1952+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2083 and 1953 to get 4036.
2084+1951-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1952 from 4036 to get 2084.
4035-1950+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2084 and 1951 to get 4035.
2085+1949-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1950 from 4035 to get 2085.
4034-1948+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2085 and 1949 to get 4034.
2086+1947-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1948 from 4034 to get 2086.
4033-1946+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2086 and 1947 to get 4033.
2087+1945-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1946 from 4033 to get 2087.
4032-1944+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2087 and 1945 to get 4032.
2088+1943-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1944 from 4032 to get 2088.
4031-1942+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2088 and 1943 to get 4031.
2089+1941-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1942 from 4031 to get 2089.
4030-1940+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2089 and 1941 to get 4030.
2090+1939-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1940 from 4030 to get 2090.
4029-1938+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2090 and 1939 to get 4029.
2091+1937-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1938 from 4029 to get 2091.
4028-1936+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2091 and 1937 to get 4028.
2092+1935-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1936 from 4028 to get 2092.
4027-1934+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2092 and 1935 to get 4027.
2093+1933-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1934 from 4027 to get 2093.
4026-1932+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2093 and 1933 to get 4026.
2094+1931-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1932 from 4026 to get 2094.
4025-1930+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2094 and 1931 to get 4025.
2095+1929-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1930 from 4025 to get 2095.
4024-1928+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2095 and 1929 to get 4024.
2096+1927-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1928 from 4024 to get 2096.
4023-1926+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2096 and 1927 to get 4023.
2097+1925-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1926 from 4023 to get 2097.
4022-1924+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2097 and 1925 to get 4022.
2098+1923-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1924 from 4022 to get 2098.
4021-1922+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2098 and 1923 to get 4021.
2099+1921-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1922 from 4021 to get 2099.
4020-1920+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2099 and 1921 to get 4020.
2100+1919-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1920 from 4020 to get 2100.
4019-1918+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2100 and 1919 to get 4019.
2101+1917-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1918 from 4019 to get 2101.
4018-1916+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2101 and 1917 to get 4018.
2102+1915-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1916 from 4018 to get 2102.
4017-1914+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2102 and 1915 to get 4017.
2103+1913-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1914 from 4017 to get 2103.
4016-1912+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2103 and 1913 to get 4016.
2104+1911-1910+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1912 from 4016 to get 2104.
4015-1910+1909-1908+1907-1906+1905-1904+1903-1902
Add 2104 and 1911 to get 4015.
2105+1909-1908+1907-1906+1905-1904+1903-1902
Subtract 1910 from 4015 to get 2105.
4014-1908+1907-1906+1905-1904+1903-1902
Add 2105 and 1909 to get 4014.
2106+1907-1906+1905-1904+1903-1902
Subtract 1908 from 4014 to get 2106.
4013-1906+1905-1904+1903-1902
Add 2106 and 1907 to get 4013.
2107+1905-1904+1903-1902
Subtract 1906 from 4013 to get 2107.
4012-1904+1903-1902
Add 2107 and 1905 to get 4012.
2108+1903-1902
Subtract 1904 from 4012 to get 2108.
4011-1902
Add 2108 and 1903 to get 4011.
2109
Subtract 1902 from 4011 to get 2109.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}