一道数学题log2=a,log3=b.那么log4/15等于?
一道数学题log2=a,log3=b.那么log4/15等于?
log3[log4(log5a)]=log4[log3(log5b)]=0求a/b等于几?
log2(log3(log4的对数a))=log3(log4(log2的对数b))则a/b的值为?
一道高一数学题7设log2=a,log3=b,则log5^12=?
若a=log2 3,b=log3 2,c=log4 6比较大小
若log3(7)·log2(9)·log49(a)=log4(1/2),则a的值等于
已知log2 10=a,log3 10=b 则log3 4等于多少
log3 7·log2 9·log49 a=log4 1/2,则a=
若log2[log3(log4)]=0,求x
若log2(log3(log4x)=log3(log4(log2y)=log4(log2(log3z)=0则x+y-z=
log2^(log3^x)=log3^(log4^y)=0则x+y=
已知log2[log3(log4x)]=log3[log4(log2y)]=0,求x+y