log2(3)*log3(4)*.log15(16)
已知log2 3=a,log3 5=b,用a,b来表示log15 20
已知log2 ,3=a,log3,5=b,用a,b表示log15,20
已知log2 3=a,log3 5=b,用a,b表示log15 72 不要把log15 20的发上来 那个看不懂
若log2[log12(log2x)]=log3[log13(log3y)]=log5[log15(log5z)]=0,
(log3 4+log3 8)(log2 3+log2 9)+(log3 根号2)(log9 7)/(log1/3 7)
(log2 3+log4 27)(log3 4+log27 16)
log3^36-log3^4+log2(log2^16)+8^2/3+(27/8)^-1/3+log8^27/log4^
比较大小 log2(3)log3(4)
证明不等式log2(3)>log3(4)
log2^3*log3^4怎么算
(log3^4+log5^2)(log2^9+log2^根号3)
log2(3)+log3(5)+log3(2)=?