Enrhifo
\frac{71}{4}=17.75
Ffactor
\frac{71}{2 ^ {2}} = 17\frac{3}{4} = 17.75
Rhannu
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\frac{71}{\sqrt{\frac{65}{8}+\frac{63}{8}}}
Tynnu 782 o 853 i gael 71.
\frac{71}{\sqrt{\frac{65+63}{8}}}
Gan fod gan \frac{65}{8} a \frac{63}{8} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{71}{\sqrt{\frac{128}{8}}}
Adio 65 a 63 i gael 128.
\frac{71}{\sqrt{16}}
Rhannu 128 â 8 i gael 16.
\frac{71}{4}
Cyfrifo ail isradd 16 a chael 4.
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}