Evaluate
211
Factor
211
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156+28+8+6+4+2+1+1+1+1+1+1+1
Add 79 and 77 to get 156.
184+8+6+4+2+1+1+1+1+1+1+1
Add 156 and 28 to get 184.
192+6+4+2+1+1+1+1+1+1+1
Add 184 and 8 to get 192.
198+4+2+1+1+1+1+1+1+1
Add 192 and 6 to get 198.
202+2+1+1+1+1+1+1+1
Add 198 and 4 to get 202.
204+1+1+1+1+1+1+1
Add 202 and 2 to get 204.
205+1+1+1+1+1+1
Add 204 and 1 to get 205.
206+1+1+1+1+1
Add 205 and 1 to get 206.
207+1+1+1+1
Add 206 and 1 to get 207.
208+1+1+1
Add 207 and 1 to get 208.
209+1+1
Add 208 and 1 to get 209.
210+1
Add 209 and 1 to get 210.
211
Add 210 and 1 to get 211.
Examples
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{ 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}