若log7(log3(log2的x次))=0,则 x=?3q

问题描述:

若log7(log3(log2的x次))=0,则 x=?
3q

8

log7(log3(log2的x次))=0
log3(log2的x次)=7的0次=1
log2的x次=3的1次=3
x=2的3次=8