Evaluate
39.7
Factor
\frac{397}{2 \cdot 5} = 39\frac{7}{10} = 39.7
Share
Copied to clipboard
24.7-4+\frac{24}{6}+5\times 3
Subtract 15.3 from 40 to get 24.7.
20.7+\frac{24}{6}+5\times 3
Subtract 4 from 24.7 to get 20.7.
20.7+4+5\times 3
Divide 24 by 6 to get 4.
24.7+5\times 3
Add 20.7 and 4 to get 24.7.
24.7+15
Multiply 5 and 3 to get 15.
39.7
Add 24.7 and 15 to get 39.7.
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}