甲乙两人步行的速度比是13:11.如果甲乙分别从A,B,两地同时相向而行,2小时后相遇,如果他们同向而行,那么
甲追上乙需要（ ）小时
人气：325 ℃ 时间：2019-08-22 09:50:21
解答
甲追上乙需要（24 ）小时
(13+11)x2÷(13-11)=48÷2=24
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