Evaluate
21.52
Factor
\frac{2 \cdot 269}{5 ^ {2}} = 21\frac{13}{25} = 21.52
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4.92+1.78+3.17+2.51+3.36+2.87+2.91
Add 2.31 and 2.61 to get 4.92.
6.7+3.17+2.51+3.36+2.87+2.91
Add 4.92 and 1.78 to get 6.7.
9.87+2.51+3.36+2.87+2.91
Add 6.7 and 3.17 to get 9.87.
12.38+3.36+2.87+2.91
Add 9.87 and 2.51 to get 12.38.
15.74+2.87+2.91
Add 12.38 and 3.36 to get 15.74.
18.61+2.91
Add 15.74 and 2.87 to get 18.61.
21.52
Add 18.61 and 2.91 to get 21.52.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}