Evaluate
1380
Factor
2^{2}\times 3\times 5\times 23
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42+47+58+59+70+70+70+76+80+80+83+85+88+89+92+96+97+98
Add 12 and 30 to get 42.
89+58+59+70+70+70+76+80+80+83+85+88+89+92+96+97+98
Add 42 and 47 to get 89.
147+59+70+70+70+76+80+80+83+85+88+89+92+96+97+98
Add 89 and 58 to get 147.
206+70+70+70+76+80+80+83+85+88+89+92+96+97+98
Add 147 and 59 to get 206.
276+70+70+76+80+80+83+85+88+89+92+96+97+98
Add 206 and 70 to get 276.
346+70+76+80+80+83+85+88+89+92+96+97+98
Add 276 and 70 to get 346.
416+76+80+80+83+85+88+89+92+96+97+98
Add 346 and 70 to get 416.
492+80+80+83+85+88+89+92+96+97+98
Add 416 and 76 to get 492.
572+80+83+85+88+89+92+96+97+98
Add 492 and 80 to get 572.
652+83+85+88+89+92+96+97+98
Add 572 and 80 to get 652.
735+85+88+89+92+96+97+98
Add 652 and 83 to get 735.
820+88+89+92+96+97+98
Add 735 and 85 to get 820.
908+89+92+96+97+98
Add 820 and 88 to get 908.
997+92+96+97+98
Add 908 and 89 to get 997.
1089+96+97+98
Add 997 and 92 to get 1089.
1185+97+98
Add 1089 and 96 to get 1185.
1282+98
Add 1185 and 97 to get 1282.
1380
Add 1282 and 98 to get 1380.
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}