Enrhifo
-15
Ffactor
-15
Rhannu
Copïo i clipfwrdd
1-\left(5+3+2\right)-\left(7+1-2\right)
Tynnu 2 o 3 i gael 1.
1-\left(8+2\right)-\left(7+1-2\right)
Adio 5 a 3 i gael 8.
1-10-\left(7+1-2\right)
Adio 8 a 2 i gael 10.
-9-\left(7+1-2\right)
Tynnu 10 o 1 i gael -9.
-9-\left(8-2\right)
Adio 7 a 1 i gael 8.
-9-6
Tynnu 2 o 8 i gael 6.
-15
Tynnu 6 o -9 i gael -15.
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}