设log5 7=a ,log2 5=b ,则log2 7= 能写写过程么,
一道高一数学题7设log2=a,log3=b,则log5^12=?
设a=log3²,b=log5²,c=log2³,比较大小
log2(a)=log3(b)=log5(c)
log2/27及 log 3=a log5=b
设a>1,b>1,log2(a)×log2(b)=1.则log2(ab)的最小值为多少
LOG2^3=A,LOG2^5=b,则log2^9/5值是多少
log2(3)*log3(4)*log4(5)*log5(6)*log6(7)*log7(8)=?
2log5(25)-3log2(64)=?
log5怎么表示(已知log2=a,log3=b)
log2^5*log3^2倍根号2*log5^9=
log2 36=a,log2 10=b,则log2 15=?
若log2 36=a,log2 10=b,则log2 15等于多少