Evaluate
730
Factor
2\times 5\times 73
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110+20+80+80+40+10+40+150+200
Add 100 and 10 to get 110.
130+80+80+40+10+40+150+200
Add 110 and 20 to get 130.
210+80+40+10+40+150+200
Add 130 and 80 to get 210.
290+40+10+40+150+200
Add 210 and 80 to get 290.
330+10+40+150+200
Add 290 and 40 to get 330.
340+40+150+200
Add 330 and 10 to get 340.
380+150+200
Add 340 and 40 to get 380.
530+200
Add 380 and 150 to get 530.
730
Add 530 and 200 to get 730.
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}