题目内容
16
×
÷
（利用幂的运算性质计算）
| 1 |
| 3 |
| 8 |
| 3 | 2 |
16
×
÷
=2
×2
÷2
=2
=22•2
=4
．
| 1 |
| 3 |
| 8 |
| 3 | 2 |
=2
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 3 |
=2
| 5 |
| 2 |
=22•2
| 1 |
| 2 |
=4
| 2 |
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| 1 |
| 3 |
| 8 |
| 3 | 2 |
| 1 |
| 3 |
| 8 |
| 3 | 2 |
| 4 |
| 3 |
| 3 |
| 2 |
| 1 |
| 3 |
| 5 |
| 2 |
| 1 |
| 2 |
| 2 |
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