( 12,4 + 4 ) \cdot 8 : 2 =
Evaluate
65,6
Factor
\frac{41 \cdot 2 ^ {3}}{5} = 65\frac{3}{5} = 65.6
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\frac{16,4\times 8}{2}
Add 12,4 and 4 to get 16,4.
\frac{131,2}{2}
Multiply 16,4 and 8 to get 131,2.
\frac{1312}{20}
Expand \frac{131,2}{2} by multiplying both numerator and the denominator by 10.
\frac{328}{5}
Reduce the fraction \frac{1312}{20} to lowest terms by extracting and canceling out 4.
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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