甲乙2人绕周长为1000米环形广场走,已知甲每分钟走125米,乙每分钟走200米,现在甲在乙后面250米,请问乙追追上甲要多少分钟
人气:246 ℃ 时间:2020-05-11 11:03:25
解答
1000-250=750(m)
750\(200-125)=10(分)
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