7,3 - ( 58,5 : 15 + 1 )
Evaluate
2,4
Factor
\frac{3 \cdot 2 ^ {2}}{5} = 2\frac{2}{5} = 2.4
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7,3-\left(\frac{585}{150}+1\right)
Expand \frac{58,5}{15} by multiplying both numerator and the denominator by 10.
7,3-\left(\frac{39}{10}+1\right)
Reduce the fraction \frac{585}{150} to lowest terms by extracting and canceling out 15.
7,3-\left(\frac{39}{10}+\frac{10}{10}\right)
Convert 1 to fraction \frac{10}{10}.
7,3-\frac{39+10}{10}
Since \frac{39}{10} and \frac{10}{10} have the same denominator, add them by adding their numerators.
7,3-\frac{49}{10}
Add 39 and 10 to get 49.
\frac{73}{10}-\frac{49}{10}
Convert decimal number 7,3 to fraction \frac{73}{10}.
\frac{73-49}{10}
Since \frac{73}{10} and \frac{49}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{24}{10}
Subtract 49 from 73 to get 24.
\frac{12}{5}
Reduce the fraction \frac{24}{10} 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}