一个屋子有一个门和3盏电灯。屋外有3个开关分别与这3盏电灯相连。如何知道那一个开关管哪一盏电灯求大神_百度知道当前位置：
一间屋，三个门，里面只住半个人
一间屋，三个门，里面只住半个人
发布时间： 10:12:33
一间屋，三个门，里面只住半个人<span class="num" id="vote_
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<span class="num" id="vote_有一间密封的屋子,里面有三盏灯.三个开关在门外面.你只能进一次屋里.问你用什么方_百度知道}