Evaluate
54.25
Factor
\frac{7 \cdot 31}{2 ^ {2}} = 54\frac{1}{4} = 54.25
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11.5+2.75+17.5+11+8.5+3
Add 3.5 and 8 to get 11.5.
14.25+17.5+11+8.5+3
Add 11.5 and 2.75 to get 14.25.
31.75+11+8.5+3
Add 14.25 and 17.5 to get 31.75.
42.75+8.5+3
Add 31.75 and 11 to get 42.75.
51.25+3
Add 42.75 and 8.5 to get 51.25.
54.25
Add 51.25 and 3 to get 54.25.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}