Enrhifo
\frac{500}{157}\approx 3.184713376
Ffactor
\frac{2 ^ {2} \cdot 5 ^ {3}}{157} = 3\frac{29}{157} = 3.1847133757961785
Rhannu
Copïo i clipfwrdd
\frac{100\times 1000}{3.14}\times 10^{-2\times 2}
Cyfrifo 10 i bŵer 3 a chael 1000.
\frac{100000}{3.14}\times 10^{-2\times 2}
Lluosi 100 a 1000 i gael 100000.
\frac{10000000}{314}\times 10^{-2\times 2}
Ehangu \frac{100000}{3.14} drwy luosi'r rhifiadur a'r enwadur gyda 100.
\frac{5000000}{157}\times 10^{-2\times 2}
Lleihau'r ffracsiwn \frac{10000000}{314} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
\frac{5000000}{157}\times 10^{-4}
Lluosi -2 a 2 i gael -4.
\frac{5000000}{157}\times \frac{1}{10000}
Cyfrifo 10 i bŵer -4 a chael \frac{1}{10000}.
\frac{500}{157}
Lluosi \frac{5000000}{157} a \frac{1}{10000} i gael \frac{500}{157}.
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}