Evaluate
640
Factor
2^{7}\times 5
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105+35+11+116+47+38+32+73+85+12+5+25+30+26
Add 26 and 79 to get 105.
140+11+116+47+38+32+73+85+12+5+25+30+26
Add 105 and 35 to get 140.
151+116+47+38+32+73+85+12+5+25+30+26
Add 140 and 11 to get 151.
267+47+38+32+73+85+12+5+25+30+26
Add 151 and 116 to get 267.
314+38+32+73+85+12+5+25+30+26
Add 267 and 47 to get 314.
352+32+73+85+12+5+25+30+26
Add 314 and 38 to get 352.
384+73+85+12+5+25+30+26
Add 352 and 32 to get 384.
457+85+12+5+25+30+26
Add 384 and 73 to get 457.
542+12+5+25+30+26
Add 457 and 85 to get 542.
554+5+25+30+26
Add 542 and 12 to get 554.
559+25+30+26
Add 554 and 5 to get 559.
584+30+26
Add 559 and 25 to get 584.
614+26
Add 584 and 30 to get 614.
640
Add 614 and 26 to get 640.
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}