log56^14=a
log14^56=1/a
log14^4+1=log14^56=1/a
log14^4=1/a-1=(1-a)/a
log4^14=a/(1-a)
log4^14=1/2+log4^7=1/2(1+log2^7)=a/(1-a)
log2^7=(3a-1)/(1-a)
log7^56=1+log7^8=1+3log7^2=1+3/log2^7=2/(3a-1)
对不对你给个话呀