来自高惠芳的问题
甲乙两地相距180千米A.B两辆汽车同时开出相向而行经过2小时相遇已知AB两车的速度比是2：3求A车的速度?
甲乙两地相距180千米A.B两辆汽车同时开出相向而行经过2小时相遇已知AB两车的速度比是2：3求A车的速度?
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2020-11-29 03:58
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汤晓兵
AB两车的速度和是
180÷2＝90千米
A车的速度是
90÷（2＋3）×2＝36千米
2020-11-29 04:01:17
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