240×(1-2/5-20%)=96(页)
答:还剩96页没看.
一本书240页'小花第一天看了全书的5分支2'第二天看了全书的百分之20'还剩多少页没看'''
一本书240页'小花第一天看了全书的5分支2'第二天看了全书的百分之20'还剩多少页没看'''
数学人气:175 ℃时间:2020-07-14 01:13:59
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