>
数学
>
已知
a=lo
g
2
3+lo
g
2
3
,b=lo
g
2
9−lo
g
2
3
,c=lo
g
3
2
,则a,b,c的大小关系为______.
人气:170 ℃ 时间:2020-01-27 01:28:26
解答
∵已知 a=log
2
3+
log
2
3
=
log
2
3
3
=
log
2
27
>1,
b=log
2
9-
log
2
3
=
log
2
9
3
=
log
2
27
>1,
c=log
3
2<1,
∴a=b>c,
故答案为 a=b>c.
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