\frac { 25,86 + 25,82 + 25,87 + 25 \cdot 84 } { 4 }
Evaluate
544,3875
Factor
\frac{1613 \cdot 3 ^ {3}}{5 \cdot 2 ^ {4}} = 544\frac{31}{80} = 544.3875
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\frac{51,68+25,87+25\times 84}{4}
Add 25,86 and 25,82 to get 51,68.
\frac{77,55+25\times 84}{4}
Add 51,68 and 25,87 to get 77,55.
\frac{77,55+2100}{4}
Multiply 25 and 84 to get 2100.
\frac{2177,55}{4}
Add 77,55 and 2100 to get 2177,55.
\frac{217755}{400}
Expand \frac{2177,55}{4} by multiplying both numerator and the denominator by 100.
\frac{43551}{80}
Reduce the fraction \frac{217755}{400} to lowest terms by extracting and canceling out 5.
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}