题目内容
log3
+2log310=( )
| 9 |
| 100 |
| A.0 | B.1 | C.2 | D.3 |
根据对数的运算性质可得,log3
+2log310=log39-log3100+2log310
=2-2log310+2log310
=2
故选C
| 9 |
| 100 |
=2-2log310+2log310
=2
故选C
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题目内容
| 9 |
| 100 |
| A.0 | B.1 | C.2 | D.3 |
| 9 |
| 100 |