3ab^2(-6/5a^3b^4-2/3a^2b^3+3/5ab^2)等于多少
问题描述:
3ab^2(-6/5a^3b^4-2/3a^2b^3+3/5ab^2)等于多少
答
3ab^2(-6/5a^3b^4-2/3a^2b^3+3/5ab^2)
=-18/5a^4b^6-2a^3b^5+9/5a^2b^4