正方形个数 | 1 | 2 | 3 | 4 | 5 | 6 | n |
火柴棒根数 | 4 | 7 | 10 | 13 |
层数 | 1 | 2 | 3 | 4 | 5 | … | n | … |
每层所需地砖数 | 1 | 8 | 16 | 24 | 32 32 |
… | 8n-8 8n-8 |
… |
3101-3 |
2 |
&nb2p;图形编号 | &nb2p;如 | &nb2p;2 | &nb2p;3 | 4&nb2p; | 5&nb2p; | 个&nb2p; |
&nb2p;图形中的棋子 | &nb2p; | &nb2p; | &nb2p; | &nb2p; | &nb2p; | &nb2p; |
序号 | (1) | (2) | (3) | (4) |
周长 | 6 | 10 | 16 | 26 |