求值 3^2-log3(2)= log7(log5(log2(32)))=?

问题描述:

求值 3^2-log3(2)= log7(log5(log2(32)))=?

3^2-log3(2)=
=3^2/3^(log3(2))
=9/2
log7(log5(log2(32)))
=log7(log5(5))
=log7 (1)
=0