Enrhifo
-\frac{9}{4}=-2.25
Ffactor
-\frac{9}{4} = -2\frac{1}{4} = -2.25
Rhannu
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\left(\frac{2}{3}\right)^{-7}\left(-\frac{3}{2}\right)^{-5}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch -4 a -3 i gael -7.
\frac{2187}{128}\left(-\frac{3}{2}\right)^{-5}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Cyfrifo \frac{2}{3} i bŵer -7 a chael \frac{2187}{128}.
\frac{2187}{128}\left(-\frac{32}{243}\right)+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Cyfrifo -\frac{3}{2} i bŵer -5 a chael -\frac{32}{243}.
-\frac{9}{4}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Lluosi \frac{2187}{128} a -\frac{32}{243} i gael -\frac{9}{4}.
-\frac{9}{4}+8\left(\frac{7}{4}\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Tynnu \frac{1}{4} o 2 i gael \frac{7}{4}.
-\frac{9}{4}+8\left(\frac{1}{4}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Lluosi \frac{7}{4} a \frac{1}{7} i gael \frac{1}{4}.
-\frac{9}{4}+8\left(-\frac{1}{2}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Tynnu \frac{3}{4} o \frac{1}{4} i gael -\frac{1}{2}.
-\frac{9}{4}-4+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Lluosi 8 a -\frac{1}{2} i gael -4.
-\frac{25}{4}+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Tynnu 4 o -\frac{9}{4} i gael -\frac{25}{4}.
-\frac{25}{4}+\left(\frac{9}{4}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}
Cyfrifo -\frac{3}{2} i bŵer 2 a chael \frac{9}{4}.
-\frac{25}{4}+\left(\frac{9}{4}\times \frac{1}{9}\right)^{-1}
Cyfrifo \frac{1}{3} i bŵer 2 a chael \frac{1}{9}.
-\frac{25}{4}+\left(\frac{1}{4}\right)^{-1}
Lluosi \frac{9}{4} a \frac{1}{9} i gael \frac{1}{4}.
-\frac{25}{4}+4
Cyfrifo \frac{1}{4} i bŵer -1 a chael 4.
-\frac{9}{4}
Adio -\frac{25}{4} a 4 i gael -\frac{9}{4}.
Enghreifftiau
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Rhifyddeg
699 * 533
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\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}