Jack is twice as old as Jill,
but in five years time he will only be one and a half times as old as Jill.How old are Jack and Jill now?
人气：209 ℃ 时间：2020-03-06 17:29:24
解答
Jack is twice as old as Jill, but in five years time he will only be one and a half times as old as Jill.How old are Jack and Jill now?杰克的年龄现在是吉尔的两倍, 但五年后他的年龄只是吉尔的一点五...
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