Enrhifo
\frac{28}{9}\approx 3.111111111
Ffactor
\frac{2 ^ {2} \cdot 7}{3 ^ {2}} = 3\frac{1}{9} = 3.111111111111111
Rhannu
Copïo i clipfwrdd
\frac{4}{3}+3^{-2}\times \left(\frac{1}{4}\right)^{-2}
Cyfrifo \frac{3}{4} i bŵer -1 a chael \frac{4}{3}.
\frac{4}{3}+\frac{1}{9}\times \left(\frac{1}{4}\right)^{-2}
Cyfrifo 3 i bŵer -2 a chael \frac{1}{9}.
\frac{4}{3}+\frac{1}{9}\times 16
Cyfrifo \frac{1}{4} i bŵer -2 a chael 16.
\frac{4}{3}+\frac{16}{9}
Lluosi \frac{1}{9} a 16 i gael \frac{16}{9}.
\frac{28}{9}
Adio \frac{4}{3} a \frac{16}{9} i gael \frac{28}{9}.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
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}