- 4,9 : ( - 0,2 \cdot 0,3 - 0,1 )
Evaluate
30,625
Factor
\frac{5 \cdot 7 ^ {2}}{2 ^ {3}} = 30\frac{5}{8} = 30.625
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\frac{-4,9}{-0,06-0,1}
Multiply -0,2 and 0,3 to get -0,06.
\frac{-4,9}{-0,16}
Subtract 0,1 from -0,06 to get -0,16.
\frac{-490}{-16}
Expand \frac{-4,9}{-0,16} by multiplying both numerator and the denominator by 100.
\frac{245}{8}
Reduce the fraction \frac{-490}{-16} to lowest terms by extracting and canceling out -2.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}