Evaluate
130
Factor
2\times 5\times 13
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14+12+8+1+1+7+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 1 and 13 to get 14.
26+8+1+1+7+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 14 and 12 to get 26.
34+1+1+7+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 26 and 8 to get 34.
35+1+7+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 34 and 1 to get 35.
36+7+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 35 and 1 to get 36.
43+1+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 36 and 7 to get 43.
44+13+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 43 and 1 to get 44.
57+8+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 44 and 13 to get 57.
65+5+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 57 and 8 to get 65.
70+5+3+11+3+3+2+1+3+9+12+2+5+1
Add 65 and 5 to get 70.
75+3+11+3+3+2+1+3+9+12+2+5+1
Add 70 and 5 to get 75.
78+11+3+3+2+1+3+9+12+2+5+1
Add 75 and 3 to get 78.
89+3+3+2+1+3+9+12+2+5+1
Add 78 and 11 to get 89.
92+3+2+1+3+9+12+2+5+1
Add 89 and 3 to get 92.
95+2+1+3+9+12+2+5+1
Add 92 and 3 to get 95.
97+1+3+9+12+2+5+1
Add 95 and 2 to get 97.
98+3+9+12+2+5+1
Add 97 and 1 to get 98.
101+9+12+2+5+1
Add 98 and 3 to get 101.
110+12+2+5+1
Add 101 and 9 to get 110.
122+2+5+1
Add 110 and 12 to get 122.
124+5+1
Add 122 and 2 to get 124.
129+1
Add 124 and 5 to get 129.
130
Add 129 and 1 to get 130.
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}