Evaluate
380
Factor
2^{2}\times 5\times 19
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100+60+60+50+40+40+30
Add 60 and 40 to get 100.
160+60+50+40+40+30
Add 100 and 60 to get 160.
220+50+40+40+30
Add 160 and 60 to get 220.
270+40+40+30
Add 220 and 50 to get 270.
310+40+30
Add 270 and 40 to get 310.
350+30
Add 310 and 40 to get 350.
380
Add 350 and 30 to get 380.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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}