>
数学
>
log
2
[log
3
(log
4
x)]=log
3
[log
4
(log
2
y)]=0,则x+y=______.
人气:347 ℃ 时间:2019-10-11 18:06:14
解答
由log
2
[log
3
(log
4
x)]=log
3
[log
4
(log
2
y)]=0,
得log
3
(log
4
x)=log
4
(log
2
y)=1,
即log
4
x=3,log
2
y=4,
解得:x=64,y=16.
∴x+y=64+16=80.
故答案为:80.
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