Enrhifo
-\frac{9}{7}\approx -1.285714286
Ffactor
-\frac{9}{7} = -1\frac{2}{7} = -1.2857142857142858
Rhannu
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\frac{5}{7}-\frac{14}{7}+0
Troswch y rhif degol 2 i’r ffracsiwn \frac{14}{7}.
\frac{5-14}{7}+0
Gan fod gan \frac{5}{7} a \frac{14}{7} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
-\frac{9}{7}+0
Tynnu 14 o 5 i gael -9.
-\frac{9}{7}
Adio -\frac{9}{7} a 0 i gael -\frac{9}{7}.
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}