Evaluate
\frac{12}{5}=2.4
Factor
\frac{2 ^ {2} \cdot 3}{5} = 2\frac{2}{5} = 2.4
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\frac{25+15+8}{20}
Add 13 and 12 to get 25.
\frac{40+8}{20}
Add 25 and 15 to get 40.
\frac{48}{20}
Add 40 and 8 to get 48.
\frac{12}{5}
Reduce the fraction \frac{48}{20} to lowest terms by extracting and canceling out 4.
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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}