Enrhifo
1
Ffactor
1
Cwis
Arithmetic
5 problemau tebyg i:
[ ( + 3 ) - ( + 5 ) + ( + 4 ) ] : [ ( + 15 ) : ( - 3 ) - ( - 7 ) ] =
Rhannu
Copïo i clipfwrdd
\frac{-2+4}{\frac{15}{-3}-\left(-7\right)}
Tynnu 5 o 3 i gael -2.
\frac{2}{\frac{15}{-3}-\left(-7\right)}
Adio -2 a 4 i gael 2.
\frac{2}{-5-\left(-7\right)}
Rhannu 15 â -3 i gael -5.
\frac{2}{-5+7}
Gwrthwyneb -7 yw 7.
\frac{2}{2}
Adio -5 a 7 i gael 2.
1
Rhannu 2 â 2 i gael 1.
Enghreifftiau
Hafaliad cwadratig
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y = 3x + 4
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\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}