小明平常步行100m,需要80s的时间,现在小明以这个速度用6min,20s的时间烟草长跑道走完一圈,
那么跑道的周长是多少?
人气:356 ℃ 时间:2019-12-26 00:23:41
解答
小明平常步行100m,需要80s的时间,现在小明以这个速度用6min,20s的时间烟草长跑道走完一圈,那么跑道的周长是多少?
速度是100m/80s,时间是6min20s=380s
跑道的周长是:380s×100m/80s=475m
答:跑道的周长是475m
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