Enrhifo
31.25
Ffactor
\frac{5 ^ {3}}{2 ^ {2}} = 31\frac{1}{4} = 31.25
Rhannu
Copïo i clipfwrdd
62.5-5\times 2.5^{2}
Lluosi 25 a 2.5 i gael 62.5.
62.5-5\times 6.25
Cyfrifo 2.5 i bŵer 2 a chael 6.25.
62.5-31.25
Lluosi 5 a 6.25 i gael 31.25.
31.25
Tynnu 31.25 o 62.5 i gael 31.25.
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}