题目内容
计算:eln2+log32•log827+
log68-2log
.
| 1 |
| 3 |
| 1 |
| 6 |
| 3 |
原式=2+log32•log2333+
log623-2log6-13
=2+
×
+log62+log63
=2+1+1
=4.
故原式=4.
| 1 |
| 3 |
| 1 |
| 2 |
=2+
| lg2 |
| lg3 |
| lg3 |
| lg2 |
=2+1+1
=4.
故原式=4.
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| 1 |
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| lg2 |
| lg3 |
| lg3 |
| lg2 |