Sečti mnohočleny:
\large 25x^{2}yz- 12xyz^{2} + 5x^{2}yz- xyz^{2}- x^{2}yz- 10xyz^{2}
\large = 28{x^{2}}yz- 24 xy{z^{2}}
\large = 29{x^{2}}yz- 23 xy{z^{2}}
\large = 29{x^{2}}yz- 22 xy{z^{2}}
\large = 30{x^{2}}yz- 23 xy{z^{2}}