Evaluate
\frac{222}{7}\approx 31.714285714
Factor
\frac{2 \cdot 3 \cdot 37}{7} = 31\frac{5}{7} = 31.714285714285715
Quiz
Arithmetic
5 problems similar to:
( \frac { 67 \times 2 + 35 \times 2 + 6 \times 3 } { 2 + 2 + 3 } )
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\frac{134+70+18}{2+2+3}
Multiply 67 and 2 to get 134. Multiply 35 and 2 to get 70. Multiply 6 and 3 to get 18.
\frac{204+18}{2+2+3}
Add 134 and 70 to get 204.
\frac{222}{2+2+3}
Add 204 and 18 to get 222.
\frac{222}{4+3}
Add 2 and 2 to get 4.
\frac{222}{7}
Add 4 and 3 to get 7.
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}