3a^2b(1/3ab+b^2)+(a^2b-ab^2)×(-5ab)
=a+3a^2b^2-5a^3b^3+5a^2b^3然后 答案呢亲3a^2b(1/3ab+b^2)+(a^2b-ab^2)×(-5ab)
=a+3a^2b^3-5a^3b^2+5a^2b^3
=a+8a^2b^3-5a^3b^2
=a(1+8ab^3-5a^2b^2)
3a^2b(1/3ab+b^2)+(a^2b-ab^2)乘(-5ab) 求你们了
3a^2b(1/3ab+b^2)+(a^2b-ab^2)乘(-5ab) 求你们了
数学人气:726 ℃时间:2020-01-28 12:22:40
优质解答
我来回答
类似推荐