打开第一个开关,停3到5分钟。关上第一个开关,马上打开第二个开关,冲上楼。 如果灯亮,是第二个开关控制。 如果灯不亮,摸灯。灯热,是第一个开关控制。 否则,是第三个开关控制。 |
“孔子说:只学习而不思考,就迷惘而无所得;只思考而不学习,就疑惑不决” 所以我理解是乱七八糟的意思。我经常乱七八糟的。 |
俺还以为三个开关中,两个控制地下室的灯,一个控制楼上的灯。。。。 |
Now I get used to it. I thought it was always some pure IQ type. But it looks there are a lot of Tricky stuff. Next time I gotta be careful. |
I like interesting and creative questions rather than pure math or pure logic questions. |
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