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A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as
A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as
admin
2013-10-17
67
问题
A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today. "How old is the other man?
选项
答案
64
解析
假定我现在X岁,当我48岁时,你的年龄是Y岁。因而,x=2Y,X-48=48-Y,用这两个等式,得出X=64。
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A类竞赛(研究生)题库大学生英语竞赛(NECCS)分类
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A类竞赛(研究生)
大学生英语竞赛(NECCS)
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