Evaluate
26
Factor
2\times 13
Quiz
Arithmetic
5 problems similar to:
13 + [ 6 + 2 \cdot ( 2 ^ { 3 } 4 + 3 \cdot 2 ) - 72 ] + 9 \div 3
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19+2\left(2^{3}\times 4+3\times 2\right)-72+\frac{9}{3}
Add 13 and 6 to get 19.
19+2\left(8\times 4+3\times 2\right)-72+\frac{9}{3}
Calculate 2 to the power of 3 and get 8.
19+2\left(32+3\times 2\right)-72+\frac{9}{3}
Multiply 8 and 4 to get 32.
19+2\left(32+6\right)-72+\frac{9}{3}
Multiply 3 and 2 to get 6.
19+2\times 38-72+\frac{9}{3}
Add 32 and 6 to get 38.
19+76-72+\frac{9}{3}
Multiply 2 and 38 to get 76.
95-72+\frac{9}{3}
Add 19 and 76 to get 95.
23+\frac{9}{3}
Subtract 72 from 95 to get 23.
23+3
Divide 9 by 3 to get 3.
26
Add 23 and 3 to get 26.
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}