270÷3-50
=90-50
=40(千米)
答:乙车每小时行40千米
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甲乙两辆汽车同时从相距270千米的两地相对开出,3小时相遇.甲车每小时行50千米,乙车每小时行多好千米?
甲乙两辆汽车同时从相距270千米的两地相对开出,3小时相遇.甲车每小时行50千米,乙车每小时行多好千米?
数学人气:579 ℃时间:2019-11-07 19:55:25
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