去甲房按下兩個燈制,等一段時間後,關上其中一個,再到乙房,應該有一個燈有光,兩個燈泡沒光,摸摸兩個沒光的燈泡,哪個是熱的,便知道哪個是開了一段時間然後閉掉的那個作者: qqwwert 時間: 2012-4-24 02:40 AM
去甲房按下兩個燈制,等一段時間後,關上其中一個,再到乙房,應該有一個燈有光,兩個燈泡沒光,摸摸兩個沒光的燈泡,哪個是熱的,便知道哪個是開了一段時間然後閉掉的那個 ...8 P. }! M* r* p( n' T% {! \
Songoku1022 發表於 2012-3-2 08:35 PM
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你好聰明作者: sc7086 時間: 2012-4-28 09:32 AM
You are so smart!作者: cyberryu 時間: 2012-4-29 12:47 AM
heard this before, very difficult for people who studied computer science, but very easy for people who studied chemistry. (we threw this question around at college)