长江中游有甲、乙两港,相距360千米。一艘轮船从甲港到乙港,顺水航行15小时到达,从乙港返回甲港,逆水航行20小时到达。现有一艘小艇,航速是每小时32千米...

作者: tihaiku 人气: - 评论: 0
问题 长江中游有甲、乙两港,相距360千米。一艘轮船从甲港到乙港,顺水航行15小时到达,从乙港返回甲港,逆水航行20小时到达。现有一艘小艇,航速是每小时32千米,它往返两港需要(  )小时。
选项 A.15 B.18 C.23 D.28
答案 C
解析

相关内容:长江,中游,两港,360千米,一艘,轮船,甲港,乙港,航行,15小时,20小时,现有,小艇,航速,32千米

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