已知log∨a2=x,log∨a3=y ,求a^3x+2y
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
已知log的2次方【log的3次方(log的4次方x)】=log【log的4次方(log的2次方y】=0,求x+y的值
设log(a)(x+y)=根号三,log(a)x=1,求log(a)y
已知log a ((x-y)/2)=(loga x+loga y)/2,x/y=?
已知x,y,z均大于1,w不等于0,log x w=24,log y w=40,log xyz w=12,求log z
已知正方形ABCD的面积为36,BC∥x轴顶点A,B和C分别在函数y=3log(a)x,y=2log(a)x,y=log
已知函数y=log(a2-2a-2)|x|在(-∞,0)内为增函数,求a 的取值范围.
已知集合A={y|y=log^2x,x>1}
已知lgx+lgy=2lg(2x-3y),求log
已知2lg(x-y/2)=lgx+lgy,求log(3-2倍根号2)x/y
已知2lg(x-y)/2=lgx+lgy 求log(3-2根号2)x/y
已知log∨7∧[log∨3∧(log∨2∧x)]=0 求X∧1/2的值