早教吧 育儿知识 作业答案 考试题库 百科 知识分享

简便运算:4.5×12.5%+2.5×1/8+12.5%

题目详情
简便运算:4.5×12.5%+2.5×1/8+12.5%
▼优质解答
答案和解析
4.5×12.5%+2.5×1/8+12.5%
=1/8×(4.5+2.5+1)
=1/8×8
=1