早教吧 育儿知识 作业答案 考试题库 百科 知识分享

(3a+1/2)^2*(3a-1/2)^2怎么算?

题目详情
(3a+1/2)^2*(3a-1/2)^2怎么算?
▼优质解答
答案和解析
(3a+1/2)^2*(3a-1/2)^2
=[(3a+1/2)*(3a-1/2)]^2
=(9a^2-1/4)^2
看了 (3a+1/2)^2*(3a...的网友还看了以下: