- 17,5 - 34,7 + 91,4 =
Evaluate
39,2
Factor
\frac{2 ^ {2} \cdot 7 ^ {2}}{5} = 39\frac{1}{5} = 39.2
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-52,2+91,4
Subtract 34,7 from -17,5 to get -52,2.
39,2
Add -52,2 and 91,4 to get 39,2.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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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
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Limits
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