Enrhifo
63.9
Ffactor
\frac{71 \cdot 3 ^ {2}}{2 \cdot 5} = 63\frac{9}{10} = 63.9
Rhannu
Copïo i clipfwrdd
13.9-0\times 6-\left(-35\right)+15
Adio 0.9 a 13 i gael 13.9.
13.9-0-\left(-35\right)+15
Lluosi 0 a 6 i gael 0.
13.9-\left(-35\right)+15
Tynnu 0 o 13.9 i gael 13.9.
13.9+35+15
Gwrthwyneb -35 yw 35.
48.9+15
Adio 13.9 a 35 i gael 48.9.
63.9
Adio 48.9 a 15 i gael 63.9.
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}