问题描述：
英语天才进
How many minutes is it before 12 noon, if 48 minutes ago it was twice as many minutes past 9 a.m.?
题目什么意思?
怎么做?
How many minutes is it before 12 noon, if 48 minutes ago it was twice as many minutes past 9 a.m.?
题目什么意思?
怎么做?
问题解答：
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