265．把直径是一寸的钢球放到一尺见方、一寸高的铁盒内，你能放多少进去？为什么？（何思明提）．答案是IO6个．今将其摆法与证明叙述于下：因为铁盒的高是一寸，故盒内只能摆一层球．因此问题变为考虑在一尺见方的正方形内可以摆多少个直径是1寸的圆的问题．首先沿正方形的底 265. How can you put in a steel ball that is an inch in diameter and placed in a one-foot-square, one-inch-high iron box? why? (He Siming mentions). The answer is IO6. The pendulum method and the proof are described below: Because the height of the iron box is one inch, only one ball can be placed in the box. So the question becomes the question of how many 1-inch-diameter circles can be placed within a square square. First along the bottom of the square