已知log5 35=m,则log7 1.4=
log7(log5(log3|x|)))=0 能不能再详细一点,比如说log7怎么等于1还有log5怎么等于5的呢?
求值 3^2-log3(2)= log7(log5(log2(32)))=?
(log5根号2*log49 81)/(log25 1/3*log7 4开3次方)=?
log2(3)*log3(4)*log4(5)*log5(6)*log6(7)*log7(8)=?
log7(log5(log3|x|)))=0 数字都是base(底),求X
已知log7[log3(log2x)]=0,则x=
若log3^5 log5^7 log7^x=log4^2 log6^4 log8^6,求x=?
我是这样做的log2(3)*log3(5)*log5(49)*log7(64)=log2(3)*log3(5)*2log
已知log5 (3)=a,log5(4)=b ,用a,b表示log5(24)
已知log2(5)=m ,log5(3)=n,求用m,n表示lg180
已知log8 9=m,log3 5=n,求log5 12
已知log7[log3(log2x)]=0,那么x1/2等于