Question

log以3为底[log以4为底（log以5为底a的对数）]=log以4为底[log以3为底（log以5为底b的对数）]=

Answer 1

log以3为底[log以4为底（log以5为底a的对数）]=log以4为底[log以3为底（log以5为底b的对数）]=0

log以4为底（log以5为底a的对数）=1

log以3为底（log以5为底b的对数）=1

log以5为底a的对数=4

log以5为底b的对数=3

a=5^4

b=5^3

a/b=5