Question

已知log7[log3(log2x)]=0,则x=

拜托大家帮忙，写明过程。。

Answer 1

log7[log3(log2x)]=0=log7(1)
log3(log2x)=1=log3(3)
log2x=3
x=2³=8

Answer 2

log3(log2 x)=7^0
log3(log2 x)=1
log2 x=3
x=2³
x=8