Brain games
本文作者： 21ST
A man in a restaurant asked a waiter for a glass, a dinner plate, water, a match, and a lemon wedge (楔形物). The man poured enough water onto the plate to cover it. “If you can get the water on the plate into this glass without touching or moving this plate, I will give you $100,” the man said. “You can use the match and lemon to do this.” |  |
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