Enrhifo
\frac{3y}{2}-\frac{x}{6}
Ehangu
\frac{3y}{2}-\frac{x}{6}
Cwis
Algebra
5 problemau tebyg i:
\frac { 1 } { 2 } x + y - ( \frac { 2 } { 3 } x - \frac { y } { 2 } )
Rhannu
Copïo i clipfwrdd
\frac{1}{2}x+y-\frac{2}{3}x-\left(-\frac{y}{2}\right)
I ddod o hyd i wrthwyneb \frac{2}{3}x-\frac{y}{2}, dewch o hyd i wrthwyneb pob term.
-\frac{1}{6}x+y-\left(-\frac{y}{2}\right)
Cyfuno \frac{1}{2}x a -\frac{2}{3}x i gael -\frac{1}{6}x.
-\frac{1}{6}x+y+\frac{y}{2}
Lluosi -1 a -1 i gael 1.
-\frac{1}{6}x+\frac{3}{2}y
Cyfuno y a \frac{y}{2} i gael \frac{3}{2}y.
\frac{1}{2}x+y-\frac{2}{3}x-\left(-\frac{y}{2}\right)
I ddod o hyd i wrthwyneb \frac{2}{3}x-\frac{y}{2}, dewch o hyd i wrthwyneb pob term.
-\frac{1}{6}x+y-\left(-\frac{y}{2}\right)
Cyfuno \frac{1}{2}x a -\frac{2}{3}x i gael -\frac{1}{6}x.
-\frac{1}{6}x+y+\frac{y}{2}
Lluosi -1 a -1 i gael 1.
-\frac{1}{6}x+\frac{3}{2}y
Cyfuno y a \frac{y}{2} i gael \frac{3}{2}y.
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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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