Enrhifo
-6.5
Ffactor
-6.5
Rhannu
Copïo i clipfwrdd
-0.25+\frac{1}{4}-|-2^{2}-4|-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Cyfrifo 0.5 i bŵer 2 a chael 0.25.
0-|-2^{2}-4|-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Adio -0.25 a \frac{1}{4} i gael 0.
0-|-4-4|-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Cyfrifo 2 i bŵer 2 a chael 4.
0-|-8|-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Tynnu 4 o -4 i gael -8.
0-8-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Gwerth absoliwt rhif real a yw a pan a\geq 0, neu -a pan a<0. Gwerth absoliwt -8 yw 8.
-8-\left(-\frac{1\times 2+1}{2}\right)^{3}\times \frac{4}{9}
Tynnu 8 o 0 i gael -8.
-8-\left(-\frac{2+1}{2}\right)^{3}\times \frac{4}{9}
Lluosi 1 a 2 i gael 2.
-8-\left(-\frac{3}{2}\right)^{3}\times \frac{4}{9}
Adio 2 a 1 i gael 3.
-8-\left(-\frac{27}{8}\times \frac{4}{9}\right)
Cyfrifo -\frac{3}{2} i bŵer 3 a chael -\frac{27}{8}.
-8-\left(-\frac{3}{2}\right)
Lluosi -\frac{27}{8} a \frac{4}{9} i gael -\frac{3}{2}.
-8+\frac{3}{2}
Gwrthwyneb -\frac{3}{2} yw \frac{3}{2}.
-\frac{13}{2}
Adio -8 a \frac{3}{2} i gael -\frac{13}{2}.
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}