Evaluate
220
Factor
2^{2}\times 5\times 11
Quiz
Arithmetic
5 problems similar to:
(4 \times 10 \times 2)+(4 \times 5 \times 2)+(5 \times 10 \times 2)
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40\times 2+20\times 2+50\times 2
Multiply 4 and 10 to get 40. Multiply 4 and 5 to get 20. Multiply 5 and 10 to get 50.
80+20\times 2+50\times 2
Multiply 40 and 2 to get 80.
80+40+50\times 2
Multiply 20 and 2 to get 40.
120+50\times 2
Add 80 and 40 to get 120.
120+100
Multiply 50 and 2 to get 100.
220
Add 120 and 100 to get 220.
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}