若0.001*=1,(-3)^+-1/27,则x-y= (*是x,^是y)
3个回答
0.001X=1,(-3)^Y=-1/27,
X=1000,Y=3.
X-Y=997
相关问题
若0.001x=1,(-3)y=-[1/27],则x-y=______.
0.001^x=1,(-3)^y=-1/27
若0<x<3,-1<y<1,则x-y的范围是_
若2x=4y_1,27y=3x+1则x_y等于多少?
若|x-y-1|+3(2x-y+1)²=0,则x³y²=
若2x+3y-4=0,求9x-1•27y.
若x+y-1=0(x>0,y>0),则(y+1)/(x+1)的取值范围是
(1)若(x+1)²+(y-3)²=0,则x= ,y (2)
1.若2x-3y=0,则x+y/x-y(是个分数额)=( )
1.若3x-2y=0,则(x+y):(x-y)=______