Enrhifo
-\frac{13}{9}\approx -1.444444444
Ffactor
-\frac{13}{9} = -1\frac{4}{9} = -1.4444444444444444
Rhannu
Copïo i clipfwrdd
\frac{16+6\times 4-27}{4^{2}-8\times 4+7}
Cyfrifo 4 i bŵer 2 a chael 16.
\frac{16+24-27}{4^{2}-8\times 4+7}
Lluosi 6 a 4 i gael 24.
\frac{40-27}{4^{2}-8\times 4+7}
Adio 16 a 24 i gael 40.
\frac{13}{4^{2}-8\times 4+7}
Tynnu 27 o 40 i gael 13.
\frac{13}{16-8\times 4+7}
Cyfrifo 4 i bŵer 2 a chael 16.
\frac{13}{16-32+7}
Lluosi 8 a 4 i gael 32.
\frac{13}{-16+7}
Tynnu 32 o 16 i gael -16.
\frac{13}{-9}
Adio -16 a 7 i gael -9.
-\frac{13}{9}
Gellir ailysgrifennu \frac{13}{-9} fel -\frac{13}{9} 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}