Evaluate
69.228
Factor
\frac{641 \cdot 3 ^ {3}}{2 \cdot 5 ^ {3}} = 69\frac{57}{250} = 69.228
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\frac{138.456}{2}
Multiply 12 and 11.538 to get 138.456.
\frac{138456}{2000}
Expand \frac{138.456}{2} by multiplying both numerator and the denominator by 1000.
\frac{17307}{250}
Reduce the fraction \frac{138456}{2000} to lowest terms by extracting and canceling out 8.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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