Enrhifo
\frac{30800}{6561}\approx 4.69440634
Ffactor
\frac{2 ^ {4} \cdot 5 ^ {2} \cdot 7 \cdot 11}{3 ^ {8}} = 4\frac{4556}{6561} = 4.694406340496876
Rhannu
Copïo i clipfwrdd
400\times \frac{77}{81\times 81}
Lluosi 100 a 4 i gael 400.
400\times \frac{77}{6561}
Lluosi 81 a 81 i gael 6561.
\frac{400\times 77}{6561}
Mynegwch 400\times \frac{77}{6561} fel ffracsiwn unigol.
\frac{30800}{6561}
Lluosi 400 a 77 i gael 30800.
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}