Odečti mnohočleny 3 x^{5}-2 x^{3}-y^{2} a y^{2}-x^{3}-x^{5}.
=4 x^{5}-3 x^{3}-y^{2}
=4 x^{5}-x^{3}-2 y^{2}
=2 x^{5}-3 x^{3}-y^{2}
=4 x^{5}-x^{3}+y^{2}