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数学
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一列火车从甲地开往乙地,已经行驶了全程的8分之3,距乙地还有245千米.甲乙两地间的距离是多少千米?
人气:194 ℃ 时间:2019-08-17 16:52:35
解答
245÷(1-3/8)
=245÷5/8
=392千米
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