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小老鼠不知从哪里偷来一张铁丝网,用它干什么好呢?小老鼠想来想去,最终决定将它围成一个无底无盖的正方体。说做就做,很快正方体的铁丝网就做好了。他在洞中找了一个比较平坦的地方,将一块破布铺在地上当底儿,然后将围好的铁丝网放在上面。随后的日子里,他每天都出去找粮食,吃剩下的就全部放在围好的铁丝网里,有花生、玉米、红薯等等。渐渐地,里面的粮食越堆越多,铁丝网开始不听话了,本来是有棱有角的正方体形状,却变成了圆柱体形状。小老鼠很纳闷儿:这是怎么回事?铁丝网为什么不听话呢?
Small mouse I do not know where to steal a barbed wire, use it to do what good? Little mouse thought to go, eventually decided to enclose it into a bottomless cube. When done, the barbed wire of the square soon became ready. He found a relatively flat place in the cave, laying a rag on the floor and placing a good barbed wire on it. The following day, he went out for food every day, eat the rest all on the wire fence in the surrounding, with peanuts, corn, sweet potatoes and so on. Gradually, more and more food inside the pile, the barbed wire began to disobedient, originally angular shape of the cube, but into a cylindrical shape. Small mouse is wondering children: What is going on? Barbed wire why not obey it?