140 \div 5,5
Evaluate
\frac{280}{11}\approx 25,454545455
Factor
\frac{5 \cdot 7 \cdot 2 ^ {3}}{11} = 25\frac{5}{11} = 25.454545454545453
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\frac{1400}{55}
Expand \frac{140}{5,5} by multiplying both numerator and the denominator by 10.
\frac{280}{11}
Reduce the fraction \frac{1400}{55} to lowest terms by extracting and canceling out 5.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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
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Limits
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