Enrhifo
-\frac{157}{20}=-7.85
Ffactor
-\frac{157}{20} = -7\frac{17}{20} = -7.85
Rhannu
Copïo i clipfwrdd
\frac{3}{20}-\frac{160}{20}
Troswch y rhif degol 8 i’r ffracsiwn \frac{160}{20}.
\frac{3-160}{20}
Gan fod gan \frac{3}{20} a \frac{160}{20} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
-\frac{157}{20}
Tynnu 160 o 3 i gael -157.
Enghreifftiau
Hafaliad cwadratig
{ 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.
Gwahaniaethu
\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}