How to divide a square in right parts to compose a cube, at the same time keep the consumption of material as low as possible, keep the length of dividing as short as possible. Both two sides of the cube must be square.%一块规定尺寸的正方形,如何正确地划分,使切下的小长方形能组合成一个封闭的长方体。同时尽量缩短划分线段的长度,尽量减少废料的产生。是一个落料优化问题。
展开▼