82问答网 > 甲乙两辆汽车同时从两地出发相向而行六小时后相遇。甲乙两车的速度比是九比七。相遇时甲比乙多行驶七十二

甲乙两辆汽车同时从两地出发相向而行六小时后相遇。甲乙两车的速度比是九比七。相遇时甲比乙多行驶七十二

2025-04-04 06:12:12
推荐回答（3个）
回答1：

72除以[(9-7)x6]=6千米
甲速度:9x6=54千米
乙速度:7x6=42千米

回答2：

设甲 9x 乙 7x
一共行驶了6h 所以（9x-7x）*6h = 72 km
所以x=6 km/h 所以甲车速度54km/H 乙车42km/H

得甲车 54*6=324km
乙车 42*6=252km

回答3：

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