Question

log以2为底的（log以3为底的（log以4为底的x))=log以3为底的（log以4为底的（log以2为底的y))=

Answer 1

log2（log3(log4x)=0

（log3(log4x)=2^0=1

log4x=3^1=3

x=4^3=64

log3（log4(log2y)=0

log4(log2y)=3^0=1

log2y=4^1=4

y=2^4=16

log4（log2(log3z)=0

log2(log3z)=4^0=1

log3z=2^1=2

z=3^2=9

所以x+y-z=64+16-9=71

按照原来的打 会比较好搜索的.