Enrhifo
\frac{49}{66}\approx 0.742424242
Ffactor
\frac{7 ^ {2}}{2 \cdot 3 \cdot 11} = 0.7424242424242424
Rhannu
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\frac{-\frac{49+0}{7}}{-\frac{9\times 7+3}{7}}
Lluosi 7 a 7 i gael 49.
\frac{-\frac{49}{7}}{-\frac{9\times 7+3}{7}}
Adio 49 a 0 i gael 49.
\frac{-7}{-\frac{9\times 7+3}{7}}
Rhannu 49 â 7 i gael 7.
\frac{-7}{-\frac{63+3}{7}}
Lluosi 9 a 7 i gael 63.
\frac{-7}{-\frac{66}{7}}
Adio 63 a 3 i gael 66.
-7\left(-\frac{7}{66}\right)
Rhannwch -7 â -\frac{66}{7} drwy luosi -7 â chilydd -\frac{66}{7}.
\frac{-7\left(-7\right)}{66}
Mynegwch -7\left(-\frac{7}{66}\right) fel ffracsiwn unigol.
\frac{49}{66}
Lluosi -7 a -7 i gael 49.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}