如果你有十个空脾酒瓶,三个空的可以换一瓶,你能够换多少瓶?
如果你有十个空脾酒瓶,三个空的可以换一瓶,你能够换多少瓶?
其他人气:829 ℃时间:2020-06-16 18:28:52
优质解答
这个有点像以前的公务员考试题,答案是喝完9个瓶可以换(3瓶),3瓶喝完再换(1瓶),现在一共剩2瓶,怎么办呢,跟老板借(1瓶),喝完后3个空瓶刚好够还债,所以总的可以换(3瓶+1瓶+1瓶=5瓶).
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