(log2 27)×(log3 8)=?
(log2 3+log4 27)*(log3 4+log9 8)=
(log2 3+log4 27)(log3 4+log27 16)
log2(3)*log3(5)*log5(8)(具体步骤)
log3 根号27+lg25+lg4+7的log2幂+(-9.8)º= 由其是7的log2幂.
已知log2=a,log3=b;问log3(4) ()里的数为对数!
log2 49*log3 16*log7 27=?(空格后是真数)
比较大小 log2(3)log3(4)
证明不等式log2(3)>log3(4)
log的计算 :log2(20)-log4(25)= log3(2)×log2(5)×log5(3)=?log2[log
log2(3)+log3(5)+log3(2)=?
log2(3)=a,log3(7)=b.log12(56)=log3(7*8)=log3(7)+3log3(2)
log2[log3(log4x)]=log3[log4(log2y)]=0,则x+y=______.