早教吧 育儿知识 作业答案 考试题库 百科 知识分享

8x^2-40x/30x^2-6x^3

题目详情
8x^2-40x/30x^2-6x^3
▼优质解答
答案和解析
[8x^2-40x]/[30x^2-6x^3]
=[8x(x-5)]/[6x^2(5-x)]
=[8x(x-5)]/[-6x^2(x-5)]
=-4/(3x)
看了 8x^2-40x/30x^2...的网友还看了以下: