( - 3,14 + 2,71 ) - ( - 4,7 + 1,8 )
Evaluate
2,47
Factor
\frac{13 \cdot 19}{2 ^ {2} \cdot 5 ^ {2}} = 2\frac{47}{100} = 2.47
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-0,43-\left(-4,7+1,8\right)
Add -3,14 and 2,71 to get -0,43.
-0,43-\left(-2,9\right)
Add -4,7 and 1,8 to get -2,9.
-0,43+2,9
The opposite of -2,9 is 2,9.
2,47
Add -0,43 and 2,9 to get 2,47.
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}