Evaluate
144.865
Factor
\frac{7 \cdot 4139}{2 ^ {3} \cdot 5 ^ {2}} = 144\frac{173}{200} = 144.865
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144.805+6\times 2.99-4\times 4.47
Add 135.945 and 8.86 to get 144.805.
144.805+17.94-4\times 4.47
Multiply 6 and 2.99 to get 17.94.
162.745-4\times 4.47
Add 144.805 and 17.94 to get 162.745.
162.745-17.88
Multiply 4 and 4.47 to get 17.88.
144.865
Subtract 17.88 from 162.745 to get 144.865.
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}