两艘汽艇同时从东港开往相距324千米的西港，当乙艇到达西港时，甲艇离西港还有52.8千米，已知甲艇每小时行45.2千米，求乙艇每小时行多少千米？
人气：489 ℃ 时间：2019-10-26 10:57:50
解答
（324-52.8）÷45.2，
=271.2÷45.2，
=6（小时），
324÷6=54（千米）；
答：乙艇每小时行54千米．
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