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第六届华罗庚金杯少年数学邀请赛初一决赛试题中有这样一道题 :一段跑道长 10 0米 ,甲、乙分别从 A、B两端点同时相向出发 ,各以每秒 6米和每秒 4 .5米的速度在跑道上来回往返练习跑步 .问 :在 10分钟内 (包括第 10分钟 ) (1)甲和乙在途中迎面相遇多少次 ?(2 )甲在途中追上乙多
In the 6th Hua Luogeng Golden Cup Juvenile Mathematical Tournament, there was such a question in the first and final questions: a runway was 100 meters long. Both A and B started from the opposite ends of A and B at the same time, each at 6 meters per second and 4 per second. 5 meters of speed back and forth on the runway to practice running. Q: In 10 minutes (including the 10th minute) (1) How many times did A and B meet on the way? (2) A caught up with B on the way