Упростите выражение :1)x^3\8-x^2y\4+xy^2\6-y^3\27 2)125m^3\27+125m^2n\6+125mn^2\4+125n^3\8

Question

Упростите выражение :1)x^3\8-x^2y\4+xy^2\6-y^3\27
2)125m^3\27+125m^2n\6+125mn^2\4+125n^3\8

Answer 1

1)x^3\8-x^2y\4+xy^2\6-y^3\27 = (x/2 - y/3)^3
2)125m^3\27+125m^2n\6+125mn^2\4+125n^3\8 = (5m/3 + 5n/2)^3 = (5(m/3 + n/2))^3