最近著名数学家陈省身先生为青少年数学爱好者题词———“数学好玩” .怎样才能体会到数学好玩呢 ?除了联系实际把课本上的数学知识学好用好以外 ,还要不断发掘数学中有趣的题材 ,使其成为动脑筋的数图 1学游戏 .序方和序方分块问题 ,就是这样一种新的有趣的数学问题 .2 0 0 2 Recently, the famous mathematician Mr. Chen Sishen has written inscriptions for young mathematics enthusiasts—“Making mathematics fun.” How can one experience the fun of mathematics? In addition to linking the actual mathematics knowledge in textbooks, it is also necessary to continue to explore interesting mathematics. The subject matter, making it a brain-pulling game of figure 1 learning. Ordering squares and ordering squares are just such a new and interesting mathematical problem. 2 0 0 2