Enrhifo
53
Ffactor
53
Rhannu
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66+\frac{16}{8}\left(\frac{30+1}{2}-22\right)
Tynnu 66 o 82 i gael 16.
66+2\left(\frac{30+1}{2}-22\right)
Rhannu 16 â 8 i gael 2.
66+2\left(\frac{31}{2}-22\right)
Adio 30 a 1 i gael 31.
66+2\left(\frac{31}{2}-\frac{44}{2}\right)
Troswch y rhif degol 22 i’r ffracsiwn \frac{44}{2}.
66+2\times \frac{31-44}{2}
Gan fod gan \frac{31}{2} a \frac{44}{2} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
66+2\left(-\frac{13}{2}\right)
Tynnu 44 o 31 i gael -13.
66-13
Canslo 2 a 2.
53
Tynnu 13 o 66 i gael 53.
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}