题目内容
观察下图,?代表的数是______.
| 1 | 3 | 5 | 7 | 9 | 8 | 6 | 4 | 2 |
| 2 | 4 | 6 | 8 | 7 | 5 | 3 | ||
| 3 | 5 | 7 | 6 | 4 | ||||
| 4 | 6 | 5 | ||||||
| ? |
6-1=5;
故答案为:5.
故答案为:5.
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| 1 | 3 | 5 | 7 | 9 | 8 | 6 | 4 | 2 |
| 2 | 4 | 6 | 8 | 7 | 5 | 3 | ||
| 3 | 5 | 7 | 6 | 4 | ||||
| 4 | 6 | 5 | ||||||
| ? |