题目内容
利用幂的运算性质计算：
×
．
| 4 | 3 |
| 12 |
原式=
×2
=2×3
×3
=2×3
+
=2×3
=2
．
| 4 | 3 |
| 3 |
=2×3
| 1 |
| 4 |
| 1 |
| 2 |
=2×3
| 1 |
| 4 |
| 1 |
| 2 |
=2×3
| 3 |
| 4 |
=2
| 4 | 27 |
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| 4 | 3 |
| 12 |
| 4 | 3 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 2 |
| 3 |
| 4 |
| 4 | 27 |
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