Evaluate
\frac{230}{3}\approx 76.666666667
Factor
\frac{2 \cdot 5 \cdot 23}{3} = 76\frac{2}{3} = 76.66666666666667
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\frac{900+400\times 0.45-850}{3}
Multiply 300 and 3 to get 900.
\frac{900+180-850}{3}
Multiply 400 and 0.45 to get 180.
\frac{1080-850}{3}
Add 900 and 180 to get 1080.
\frac{230}{3}
Subtract 850 from 1080 to get 230.
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y = 3x + 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}