Enrhifo
\frac{1931}{10}=193.1
Ffactor
\frac{1931}{2 \cdot 5} = 193\frac{1}{10} = 193.1
Rhannu
Copïo i clipfwrdd
\frac{18}{-20}-2\left(26-123\right)
Tynnu 32 o 12 i gael -20.
-\frac{9}{10}-2\left(26-123\right)
Lleihau'r ffracsiwn \frac{18}{-20} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
-\frac{9}{10}-2\left(-97\right)
Tynnu 123 o 26 i gael -97.
-\frac{9}{10}-\left(-194\right)
Lluosi 2 a -97 i gael -194.
-\frac{9}{10}+194
Gwrthwyneb -194 yw 194.
-\frac{9}{10}+\frac{1940}{10}
Troswch y rhif degol 194 i’r ffracsiwn \frac{1940}{10}.
\frac{-9+1940}{10}
Gan fod gan -\frac{9}{10} a \frac{1940}{10} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{1931}{10}
Adio -9 a 1940 i gael 1931.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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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}