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鲁班特别爱“捣鼓”一些新玩意儿,不管遇到什么难事,总爱想办法解决。一次,他发现木匠经常用的矩尺时间长了两条边就会松动,量出来的角就不是直角了,他就给矩尺增加了一条边,这样使得矩尺变得更加牢固,再也不会松动变形了。(如上图)有一天,鲁班在家突然听到外面传来争吵声。他出去一看,原来是鲁大伯和
Luban do not love “fiddle drum ” some new gadgets, no matter what difficulties encountered, always love to find ways to solve. Once, he found that carpenters often use the moment of a long two edges will be loose, the amount of the angle is not a right angle, and he will give an additional edge of the moment, so that the moment to become more solid, and then Will not loose deformation. (Pictured above) One day, Luban suddenly heard a quarrel outside his home. He went out to see that it was Lu uncle and