题目内容
化简:lg20+log10025+2
×
×
=______.
| 3 |
| 6 | 12 |
| 3 |
| ||
lg20+log10025+2
×
×
=1+lg2+lg5+2×3
×3
×2
×3
×2-
=2+2×3=8
故答案为:8
| 3 |
| 6 | 12 |
| 3 |
| ||
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
故答案为:8
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