Enrhifo
-\frac{19}{4}=-4.75
Ffactor
-\frac{19}{4} = -4\frac{3}{4} = -4.75
Rhannu
Copïo i clipfwrdd
\frac{22-3}{-1-3}
Adio -1 a 23 i gael 22.
\frac{19}{-1-3}
Tynnu 3 o 22 i gael 19.
\frac{19}{-4}
Tynnu 3 o -1 i gael -4.
-\frac{19}{4}
Gellir ailysgrifennu \frac{19}{-4} fel -\frac{19}{4} drwy echdynnu’r arwydd negatif.
Enghreifftiau
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}