小强的爸爸开汽车到距离xkm外的单位去上班,在正常情况下经过yh可以到达.但是有 发布时间:2017-05-24 13:57 │ 来源:www.tikuol.com 题型:解答题 问题: 小强的爸爸开汽车到距离xkm外的单位去上班,在正常情况下经过yh可以到达.但是有一天由于汽车需要维修晚出发zh,小强的爸爸每小时应该多走多少km,才能按时到达单位?
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