Enrhifo
125.1
Ffactor
\frac{139 \cdot 3 ^ {2}}{2 \cdot 5} = 125\frac{1}{10} = 125.1
Rhannu
Copïo i clipfwrdd
\frac{256}{2}-10^{2}\times 0.029
Ehangu \frac{25.6}{0.2} drwy luosi'r rhifiadur a'r enwadur gyda 10.
128-10^{2}\times 0.029
Rhannu 256 â 2 i gael 128.
128-100\times 0.029
Cyfrifo 10 i bŵer 2 a chael 100.
128-2.9
Lluosi 100 a 0.029 i gael 2.9.
125.1
Tynnu 2.9 o 128 i gael 125.1.
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}