Evaluate
70.5
Factor
\frac{3 \cdot 47}{2} = 70\frac{1}{2} = 70.5
Share
Copied to clipboard
\left(2.25+7\right)\times 3.5\times 2+3\times 2.25-1
Multiply 3.5 and 2 to get 7.
9.25\times 3.5\times 2+3\times 2.25-1
Add 2.25 and 7 to get 9.25.
32.375\times 2+3\times 2.25-1
Multiply 9.25 and 3.5 to get 32.375.
64.75+3\times 2.25-1
Multiply 32.375 and 2 to get 64.75.
64.75+6.75-1
Multiply 3 and 2.25 to get 6.75.
71.5-1
Add 64.75 and 6.75 to get 71.5.
70.5
Subtract 1 from 71.5 to get 70.5.
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}