题目内容
利用幂的运算性质计算：
×
÷
．
| 3 | 92 |
| 27 |
| 6 | 3 |
原式=9
×27
÷3
=3
×3
÷3
=3
+
-
=3
．
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
=3
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 6 |
=3
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 6 |
=3
| 8 |
| 3 |
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题目内容
| 3 | 92 |
| 27 |
| 6 | 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 6 |
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 6 |
| 8 |
| 3 |