Evaluate
\frac{28}{5}=5.6
Factor
\frac{2 ^ {2} \cdot 7}{5} = 5\frac{3}{5} = 5.6
Quiz
Arithmetic
5 problems similar to:
\frac { 6 } { 3 } \div \frac { 1 } { 7 } \div \frac { 5 } { 2 } =
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\frac{\frac{6}{3}\times 2}{\frac{1}{7}\times 5}
Divide \frac{\frac{6}{3}}{\frac{1}{7}} by \frac{5}{2} by multiplying \frac{\frac{6}{3}}{\frac{1}{7}} by the reciprocal of \frac{5}{2}.
\frac{2\times 2}{\frac{1}{7}\times 5}
Divide 6 by 3 to get 2.
\frac{4}{\frac{1}{7}\times 5}
Multiply 2 and 2 to get 4.
\frac{4}{\frac{5}{7}}
Multiply \frac{1}{7} and 5 to get \frac{5}{7}.
4\times \frac{7}{5}
Divide 4 by \frac{5}{7} by multiplying 4 by the reciprocal of \frac{5}{7}.
\frac{4\times 7}{5}
Express 4\times \frac{7}{5} as a single fraction.
\frac{28}{5}
Multiply 4 and 7 to get 28.
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}