题目内容
观察下列各等式的数字特征:
-
=
×
,
-
=
×
,
-
=
×
,…,将你所发现的规律用含字母a,b的等式表示出来:______.
| 5 |
| 3 |
| 5 |
| 8 |
| 5 |
| 3 |
| 5 |
| 8 |
| 9 |
| 2 |
| 9 |
| 11 |
| 9 |
| 2 |
| 9 |
| 11 |
| 10 |
| 7 |
| 10 |
| 17 |
| 10 |
| 7 |
| 10 |
| 17 |
| b-a |
| a |
| b-a |
| b |
| b-a |
| a |
| b-a |
| b |
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题目内容
| 5 |
| 3 |
| 5 |
| 8 |
| 5 |
| 3 |
| 5 |
| 8 |
| 9 |
| 2 |
| 9 |
| 11 |
| 9 |
| 2 |
| 9 |
| 11 |
| 10 |
| 7 |
| 10 |
| 17 |
| 10 |
| 7 |
| 10 |
| 17 |
| b-a |
| a |
| b-a |
| b |
| b-a |
| a |
| b-a |
| b |