题目内容
log2
×log3
×log5
=______.
| 1 |
| 25 |
| 1 |
| 8 |
| 1 |
| 9 |
log2
×log3
×log5
=-log225•log38•log59=-
•
•
=
•
•
=-12
故答案为-:12.
| 1 |
| 25 |
| 1 |
| 8 |
| 1 |
| 9 |
| lg25 |
| lg2 |
| lg8 |
| lg3 |
| lg9 |
| lg5 |
| 2lg5 |
| lg2 |
| 3lg2 |
| lg3 |
| 2lg3 |
| lg5 |
故答案为-:12.
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