Enrhifo
12400
Ffactor
31\times 2^{4}\times 5^{2}
Rhannu
Copïo i clipfwrdd
\left(-140\right)^{2}\times 0.2+\left(100-140\right)^{2}\times 0.5+\left(300-140\right)^{2}\times 0.3
Tynnu 140 o 0 i gael -140.
19600\times 0.2+\left(100-140\right)^{2}\times 0.5+\left(300-140\right)^{2}\times 0.3
Cyfrifo -140 i bŵer 2 a chael 19600.
3920+\left(100-140\right)^{2}\times 0.5+\left(300-140\right)^{2}\times 0.3
Lluosi 19600 a 0.2 i gael 3920.
3920+\left(-40\right)^{2}\times 0.5+\left(300-140\right)^{2}\times 0.3
Tynnu 140 o 100 i gael -40.
3920+1600\times 0.5+\left(300-140\right)^{2}\times 0.3
Cyfrifo -40 i bŵer 2 a chael 1600.
3920+800+\left(300-140\right)^{2}\times 0.3
Lluosi 1600 a 0.5 i gael 800.
4720+\left(300-140\right)^{2}\times 0.3
Adio 3920 a 800 i gael 4720.
4720+160^{2}\times 0.3
Tynnu 140 o 300 i gael 160.
4720+25600\times 0.3
Cyfrifo 160 i bŵer 2 a chael 25600.
4720+7680
Lluosi 25600 a 0.3 i gael 7680.
12400
Adio 4720 a 7680 i gael 12400.
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}