更新时间：2019-08-28 10:43:53 93次访问
log(2)a*log(3)4*log(a)b
=lga/lg2*lg4/lg3*lgb/lga
=(lg4*lgb)/(lg2*lg3)
=(2lg2*lgb)/(lg2*lg3)
=2lgb/lg3
=6
lgb/lg3=3
b=3^3=27
答案是：（C）27
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