Evaluate
48.9
Factor
\frac{3 \cdot 163}{2 \cdot 5} = 48\frac{9}{10} = 48.9
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5.9+3.1+3.9+4+5+6+7+5+9
Add 3.1 and 2.8 to get 5.9.
9+3.9+4+5+6+7+5+9
Add 5.9 and 3.1 to get 9.
12.9+4+5+6+7+5+9
Add 9 and 3.9 to get 12.9.
16.9+5+6+7+5+9
Add 12.9 and 4 to get 16.9.
21.9+6+7+5+9
Add 16.9 and 5 to get 21.9.
27.9+7+5+9
Add 21.9 and 6 to get 27.9.
34.9+5+9
Add 27.9 and 7 to get 34.9.
39.9+9
Add 34.9 and 5 to get 39.9.
48.9
Add 39.9 and 9 to get 48.9.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}