Enrhifo
-\frac{16}{5}=-3.2
Ffactor
-\frac{16}{5} = -3\frac{1}{5} = -3.2
Rhannu
Copïo i clipfwrdd
\frac{-9+\left(4-9\right)^{2}}{7-2\times 6}
Cyfrifo 3 i bŵer 2 a chael 9.
\frac{-9+\left(-5\right)^{2}}{7-2\times 6}
Tynnu 9 o 4 i gael -5.
\frac{-9+25}{7-2\times 6}
Cyfrifo -5 i bŵer 2 a chael 25.
\frac{16}{7-2\times 6}
Adio -9 a 25 i gael 16.
\frac{16}{7-12}
Lluosi 2 a 6 i gael 12.
\frac{16}{-5}
Tynnu 12 o 7 i gael -5.
-\frac{16}{5}
Gellir ailysgrifennu \frac{16}{-5} fel -\frac{16}{5} drwy echdynnu’r arwydd negatif.
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}