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230问答网 > 据说是著名的三个灯泡，三个开关问题.求助

据说是著名的三个灯泡，三个开关问题.求助

2025-04-07 20:25:51

推荐回答（1个）

回答1：

三个灯泡在房间里，三个开关，在房间外，顺序打乱。只能进去查看一次，分出哪个开关对应哪个灯泡
1.先走进有开关的房间，将三个开关编号为a b c。 2.将开关a 打开5分钟，然后关闭，然后打开b 3.然后走到另一个房间，即可辨别出正亮着的灯是由b 开关控制的。再用手摸另两个灯泡，发热的是由开关a 控制的，另一个就一定是开关c了。

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