已知x>1,y>1,z>1,log(x)W=24,log(y)W=40,log(xyz)W=12求log(z)W
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x、y、z均大于100,w≠0,logz^w=24 logy^w=40 log(xyz)^w=12 求logx^w
已知x、y、z均大于1,a≠0,logz^a=24 logy^a=40 log(xyz)^a=12 求logx
log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+l
3、已知x,y,z都是大于1的正数,m>0,且log(x)m=24,log(y)m=40,log(xyz)m=12,则l
a>(√5-1)/2且a不等于1,x=|(loga 2)|,y=log(a+1)2,z=log(a+2)2,比较xyz的
设log(a)(x+y)=根号三,log(a)x=1,求log(a)y
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
已知xyz都是非负实数,且满足x+y-z=1,x+2y+3z=4,记w=3x+2y+z,求w的最大值与最小值
y=log 7 x+1
f(x,y,z,w)=x*(x+y)*(x+y+z)*(x+y+z+w)
matlab 极小化函数f(x,y) = -9*y - 10*z + 100*(-1*log(100-y-z)) - l