Evaluate
649.88
Factor
\frac{7 \cdot 11 \cdot 211}{5 ^ {2}} = 649\frac{22}{25} = 649.88
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220.88+57.9+37.9\times 9+10\times 3
Add 155 and 65.88 to get 220.88.
278.78+37.9\times 9+10\times 3
Add 220.88 and 57.9 to get 278.78.
278.78+341.1+10\times 3
Multiply 37.9 and 9 to get 341.1.
619.88+10\times 3
Add 278.78 and 341.1 to get 619.88.
619.88+30
Multiply 10 and 3 to get 30.
649.88
Add 619.88 and 30 to get 649.88.
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}