Evaluate
68
Factor
2^{2}\times 17
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\begin{array}{l}\phantom{25)}\phantom{1}\\25\overline{)1700}\\\end{array}
Use the 1^{st} digit 1 from dividend 1700
\begin{array}{l}\phantom{25)}0\phantom{2}\\25\overline{)1700}\\\end{array}
Since 1 is less than 25, use the next digit 7 from dividend 1700 and add 0 to the quotient
\begin{array}{l}\phantom{25)}0\phantom{3}\\25\overline{)1700}\\\end{array}
Use the 2^{nd} digit 7 from dividend 1700
\begin{array}{l}\phantom{25)}00\phantom{4}\\25\overline{)1700}\\\end{array}
Since 17 is less than 25, use the next digit 0 from dividend 1700 and add 0 to the quotient
\begin{array}{l}\phantom{25)}00\phantom{5}\\25\overline{)1700}\\\end{array}
Use the 3^{rd} digit 0 from dividend 1700
\begin{array}{l}\phantom{25)}006\phantom{6}\\25\overline{)1700}\\\phantom{25)}\underline{\phantom{}150\phantom{9}}\\\phantom{25)9}20\\\end{array}
Find closest multiple of 25 to 170. We see that 6 \times 25 = 150 is the nearest. Now subtract 150 from 170 to get reminder 20. Add 6 to quotient.
\begin{array}{l}\phantom{25)}006\phantom{7}\\25\overline{)1700}\\\phantom{25)}\underline{\phantom{}150\phantom{9}}\\\phantom{25)9}200\\\end{array}
Use the 4^{th} digit 0 from dividend 1700
\begin{array}{l}\phantom{25)}0068\phantom{8}\\25\overline{)1700}\\\phantom{25)}\underline{\phantom{}150\phantom{9}}\\\phantom{25)9}200\\\phantom{25)}\underline{\phantom{9}200\phantom{}}\\\phantom{25)9999}0\\\end{array}
Find closest multiple of 25 to 200. We see that 8 \times 25 = 200 is the nearest. Now subtract 200 from 200 to get reminder 0. Add 8 to quotient.
\text{Quotient: }68 \text{Reminder: }0
Since 0 is less than 25, stop the division. The reminder is 0. The topmost line 0068 is the quotient. Remove all zeros at the start of the quotient to get the actual quotient 68.
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}