решите плиз, ДАМ 20 БАЛЛОВ
x^2-2xy+y^2=
16+8p+p^2=
9p^2-30pq+25q^2=
a^6+2a^3 b^3+b^6=
x^2-y^2=
81-m^2=
p^8-49=
4a^2-〖9b〗^2=
m^3-n^3=
27+a^3=