题目内容
计算(log43+log83)(log32+log92)的值.
(log43+log83)(log32+log92)
=(
+
)(
+
)
=(
+
)(
+
)
=
+
+
+
=
.
=(
| lg3 |
| lg4 |
| lg3 |
| lg8 |
| lg2 |
| lg3 |
| lg2 |
| lg9 |
=(
| lg3 |
| 2lg2 |
| lg3 |
| 3lg2 |
| lg2 |
| lg3 |
| lg2 |
| 2lg3 |
=
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 6 |
| 5 |
| 4 |
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