log2 9×log3 2怎么算?
log2^3*log3^4怎么算
(log3 4+log3 8)(log2 3+log2 9)+(log3 根号2)(log9 7)/(log1/3 7)
(log3^4+log5^2)(log2^9+log2^根号3)
log2(3)+log3(5)+log3(2)=?
在线等急!log2 25*log3 4*log5 9用换底公式怎么算
log3/2乘以5log2/3怎么化简?
log2^25*log3^2倍根号2*log5^9=
log2^5*log3^2倍根号2*log5^9=
已知log3^2=a则log2^9等于多少
[log2(3)+log4(9)][log3(4)+log9(2)]等于
log2 4=2log3 9=3
(log2(3)+log8(9))x(log3(4)+log9(8)+log3(2))