Evaluate
266
Factor
2\times 7\times 19
Quiz
Arithmetic
5 problems similar to:
[ 100 \times ( 1 + 2 \times 0.2 ) ] \times ( 1 + 3 \times 0.3 )
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100\left(1+0.4\right)\left(1+3\times 0.3\right)
Multiply 2 and 0.2 to get 0.4.
100\times 1.4\left(1+3\times 0.3\right)
Add 1 and 0.4 to get 1.4.
140\left(1+3\times 0.3\right)
Multiply 100 and 1.4 to get 140.
140\left(1+0.9\right)
Multiply 3 and 0.3 to get 0.9.
140\times 1.9
Add 1 and 0.9 to get 1.9.
266
Multiply 140 and 1.9 to get 266.
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}