Question

[Thương Đoàn]

Cho a+b+c=B. Rút gọn B=a^3+b^3+c^3-3abc/(a-b)^3+(b-c)^3+(c-a)^3

Answer 1

[nguyenduckhai /lop85]

M=a^3+b^3+c^3-3abc/(a-b)^3+(b-c)^3+(c-a)^3

Answer 2

[nguyenduckhai /lop85]

nè ban