急數學解題 - 旅遊
By Brianna
at 2011-05-07T00:00
at 2011-05-07T00:00
Table of Contents
1.有一艘船在河上行駛,順流時船的速率是38公里/時,逆流時船的速率是26公里/時:(1)船在靜水中的速率是()公里/時(2)河流的流速是()公里/時2.排骨便當和雞腿便當的價格分別是70元和85元,媽媽公司買了50份便當,共花費3890元,是買了排骨便當()份和雞腿便當()份3.租車公司有8人座和5人座兩種車子,公司員工旅遊��
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旅遊
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at 2011-05-10T20:31
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