Evaluate
1220
Factor
2^{2}\times 5\times 61
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258+169+138+64+100+161+95+145+90
Add 210 and 48 to get 258.
427+138+64+100+161+95+145+90
Add 258 and 169 to get 427.
565+64+100+161+95+145+90
Add 427 and 138 to get 565.
629+100+161+95+145+90
Add 565 and 64 to get 629.
729+161+95+145+90
Add 629 and 100 to get 729.
890+95+145+90
Add 729 and 161 to get 890.
985+145+90
Add 890 and 95 to get 985.
1130+90
Add 985 and 145 to get 1130.
1220
Add 1130 and 90 to get 1220.
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}