Enrhifo
\frac{32}{21}\approx 1.523809524
Ffactor
\frac{2 ^ {5}}{3 \cdot 7} = 1\frac{11}{21} = 1.5238095238095237
Rhannu
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\frac{\left(1\times 7+1\right)\times 4}{7\times 3}
Rhannwch \frac{1\times 7+1}{7} â \frac{3}{4} drwy luosi \frac{1\times 7+1}{7} â chilydd \frac{3}{4}.
\frac{\left(7+1\right)\times 4}{7\times 3}
Lluosi 1 a 7 i gael 7.
\frac{8\times 4}{7\times 3}
Adio 7 a 1 i gael 8.
\frac{32}{7\times 3}
Lluosi 8 a 4 i gael 32.
\frac{32}{21}
Lluosi 7 a 3 i gael 21.
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}