2log(9)x=1/2+log(9)(5x+17)
对数计算1.{log(4)(3)+ log(8) (3)} X {log(3)(2)+log(9)(2)}2.{log(
Log(2)(x+2)+log(2)(x-2)=5
log(X+5)+log(X+2)=1
log(x+5)=log(x)+log(2) log(8)+log(x)=log(24) 2log(x)=log(2x)
4^log(4)[x^2]+3^log(9)[6x]=log(2)[16]
log(0.1)log(0.2)log(0.5)(1/根号5次2)=x,求x的值
方程 log 2(底数) (9^2-5)(真数) -1 =log 2(底数) (3^x-2)(真数)
求对数不等式log(1/2,x+1)-log(1/2,9x^2-1)+1
log(9)x+log(x^2)3=1的解为?
log底数9 [ log底数3(log底数2真数x)]=0,则x的-1/3方=
1/log(2)x+1/log(3)x+1/log(4)x=1,x=?
log以2为底[9^(x-1)-5]-log以2为底(3^x+2)-2=0