题目内容
(log43+log83)(log32+log98)=______.
原式=(
+
)(
+
)
=(
+
)(
+
)=
?
=
.
故答案为
| lg3 |
| lg4 |
| lg3 |
| lg8 |
| lg2 |
| lg3 |
| lg8 |
| lg9 |
=(
| lg3 |
| 2lg2 |
| lg3 |
| 3lg2 |
| lg2 |
| lg3 |
| 3lg2 |
| 2lg3 |
| 5lg3 |
| 6lg2 |
| 5lg2 |
| 2lg3 |
| 25 |
| 12 |
故答案为
| 25 |
| 12 |
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