\frac { 3 ( 10 - ( 27 \div 9 ) ] } { 4 - 7 } =
Enrhifo
-7
Ffactor
-7
Rhannu
Copïo i clipfwrdd
\frac{3\left(10-3\right)}{4-7}
Rhannu 27 â 9 i gael 3.
\frac{3\times 7}{4-7}
Tynnu 3 o 10 i gael 7.
\frac{21}{4-7}
Lluosi 3 a 7 i gael 21.
\frac{21}{-3}
Tynnu 7 o 4 i gael -3.
-7
Rhannu 21 â -3 i gael -7.
Enghreifftiau
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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]
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\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}