题目内容
利用幂的运算性质计算:3
×
×
.
| 3 |
| 3 | 12 |
| 6 | 6 |
原式=3×3
×(3×22)
×(2×3)
=31+
+
+
×2
+
=32×2
=9
.
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
=31+
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
| 1 |
| 6 |
=32×2
| 5 |
| 6 |
=9
| 6 | 32 |
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题目内容
| 3 |
| 3 | 12 |
| 6 | 6 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
| 1 |
| 6 |
| 5 |
| 6 |
| 6 | 32 |