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在《中学生教与学》中看到这样一则趣味性故事:一位农夫请了工程师,物理学家和数学家来,想用最少的篱笆围出最大的面积。工程师用篱笆围出一个圆,喧称这是最优设计。物理学家将篱笆拉成一条长长的直线,假设篱笆有无限长,认为围起半个地球总够大了。数学家好好嘲笑了他们一番,他用很少的篱笆把自己围起来,然后说:“我现在是在篱笆外面了。”读这样的故事,总觉得心情舒畅,因为它既幽默,又给人
In “Middle School Students Teach & Learn”, I saw an interesting story: a farmer invited engineers, physicists and mathematicians to find the largest area with the least amount of fence. Engineers fencing out a circle, noisy this is the best design. Physicists have drawn the fence into a long straight line, assuming that the fence has an infinite length, and that half of the globe is large enough to enclose the earth. The mathematicians ridiculed them a good deal and he surrounded himself with few hedges and said: “I’m out of the fence now.” Reading this story always felt comfortable because it was both humorous, Give it again