log1/3(5)= -log3(5)
log3(1/4)= -log3(4)
log4(1/3)= -log4(3)= -1/log3(4)
log5(4)1
所以有:
2^0.7>log5(4)>log4(1/3)>log3(1/4)>log1/3(5)
log1/3(5)= -log3(5)
log3(1/4)= -log3(4)
log4(1/3)= -log4(3)= -1/log3(4)
log5(4)1
所以有:
2^0.7>log5(4)>log4(1/3)>log3(1/4)>log1/3(5)