Evaluate
42400
Factor
2^{5}\times 5^{2}\times 53
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5000+5000+5000+3400+2000+12000+25000-15000
Add 2500 and 2500 to get 5000.
10000+5000+3400+2000+12000+25000-15000
Add 5000 and 5000 to get 10000.
15000+3400+2000+12000+25000-15000
Add 10000 and 5000 to get 15000.
18400+2000+12000+25000-15000
Add 15000 and 3400 to get 18400.
20400+12000+25000-15000
Add 18400 and 2000 to get 20400.
32400+25000-15000
Add 20400 and 12000 to get 32400.
57400-15000
Add 32400 and 25000 to get 57400.
42400
Subtract 15000 from 57400 to get 42400.
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}