Enrhifo
\frac{1}{400}=0.0025
Ffactor
\frac{1}{2 ^ {4} \cdot 5 ^ {2}} = 0.0025
Rhannu
Copïo i clipfwrdd
2\times \frac{1}{1000}+5\times 10^{-4}
Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.
\frac{1}{500}+5\times 10^{-4}
Lluosi 2 a \frac{1}{1000} i gael \frac{1}{500}.
\frac{1}{500}+5\times \frac{1}{10000}
Cyfrifo 10 i bŵer -4 a chael \frac{1}{10000}.
\frac{1}{500}+\frac{1}{2000}
Lluosi 5 a \frac{1}{10000} i gael \frac{1}{2000}.
\frac{1}{400}
Adio \frac{1}{500} a \frac{1}{2000} i gael \frac{1}{400}.
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}