数学题:他们到达A、B两地的中点C地时都会提速20%
- 时间:2020-04-27 14:43:30
- 分类:数学世界
- 阅读:144 次
数学题:甲乙分别从A,B两地同时出发相向而行,他们到达A、B两地的中点C地时都会提速20%。当甲到达B地时,乙过C且距离A地还有660米。问当甲到达C地时,乙距离C地多少米? 求教各位亲!
解答如下:
660÷(1+1+20%)
这个老师的思路,我认为比较好理解:一半的路是原速,一半的路是加速了20%。
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