已知log2^3=a.则log8^3= log8^9=
已知log2^3=a.则log8^3= log8^9=
(log8 9/log2 3)=?
log8(9)*log2(3)
log8(9)=a,log2(5)=b,则lg(3)=?
log8的9次方/log2的3次方=
已知log8^9=a,log2^5=b,则lg3=?
log8(9)除以log2(3)
求(log2^3+log8^9)
log8 4=?2^(log2 3-2)=?
已知log8 9=a ,log2 5=b,则lg3等于什么(用a,b表示)
log8(9)=a,log2(5)=b,则lg2)=?
log4(3)-log4(12)-log8(4) =log4(3/12)- log8( 8^(2/3) ) log8(