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Can I know what the starting status is?
送交者: gadget 于 2004/02/13 6:19:49 [治生闲话]
回应 网友给我出了个小学或中学竞赛题. by 实子 于 2004/02/13 5:33:5
Before I enter any room, do I know how many light bulbs and which ones are on, and what position each switch is at? If not, there is no way you can figure out ...
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