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\frac{2}{3}x^{2}-xy-\left(-\frac{2}{3}xy-\frac{7}{3}xy\right)-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Savelciet x^{2} un -\frac{1}{3}x^{2}, lai iegūtu \frac{2}{3}x^{2}.
\frac{2}{3}x^{2}-xy-\left(-3xy\right)-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Savelciet -\frac{2}{3}xy un -\frac{7}{3}xy, lai iegūtu -3xy.
\frac{2}{3}x^{2}-xy+3xy-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Skaitļa -3xy pretstats ir 3xy.
\frac{2}{3}x^{2}-xy+3xy-\left(-x\right)y+\frac{1}{3}x^{2}
Savelciet \frac{1}{2}x^{2} un -\frac{1}{6}x^{2}, lai iegūtu \frac{1}{3}x^{2}.
\frac{2}{3}x^{2}+2xy-\left(-x\right)y+\frac{1}{3}x^{2}
Savelciet -xy un 3xy, lai iegūtu 2xy.
\frac{2}{3}x^{2}+2xy+xy+\frac{1}{3}x^{2}
Reiziniet -1 un -1, lai iegūtu 1.
\frac{2}{3}x^{2}+3xy+\frac{1}{3}x^{2}
Savelciet 2xy un xy, lai iegūtu 3xy.
x^{2}+3xy
Savelciet \frac{2}{3}x^{2} un \frac{1}{3}x^{2}, lai iegūtu x^{2}.
\frac{2}{3}x^{2}-xy-\left(-\frac{2}{3}xy-\frac{7}{3}xy\right)-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Savelciet x^{2} un -\frac{1}{3}x^{2}, lai iegūtu \frac{2}{3}x^{2}.
\frac{2}{3}x^{2}-xy-\left(-3xy\right)-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Savelciet -\frac{2}{3}xy un -\frac{7}{3}xy, lai iegūtu -3xy.
\frac{2}{3}x^{2}-xy+3xy-\left(-x\right)y+\frac{1}{2}x^{2}-\frac{1}{6}x^{2}
Skaitļa -3xy pretstats ir 3xy.
\frac{2}{3}x^{2}-xy+3xy-\left(-x\right)y+\frac{1}{3}x^{2}
Savelciet \frac{1}{2}x^{2} un -\frac{1}{6}x^{2}, lai iegūtu \frac{1}{3}x^{2}.
\frac{2}{3}x^{2}+2xy-\left(-x\right)y+\frac{1}{3}x^{2}
Savelciet -xy un 3xy, lai iegūtu 2xy.
\frac{2}{3}x^{2}+2xy+xy+\frac{1}{3}x^{2}
Reiziniet -1 un -1, lai iegūtu 1.
\frac{2}{3}x^{2}+3xy+\frac{1}{3}x^{2}
Savelciet 2xy un xy, lai iegūtu 3xy.
x^{2}+3xy
Savelciet \frac{2}{3}x^{2} un \frac{1}{3}x^{2}, lai iegūtu x^{2}.