你可能感兴趣的试题
y3<y2<y1 y1<y2<y3 y2<y1<y3 y2<y3<y1
2 1 4 3 1 2 1 2 1 2 3 4 2 1 1 2
3x-y-2=0 3x-4y+1=0或3x-y+2=0 3x-y-2=0或3x-4y+1=0 3x-y-2=0或3x-4y-1=0
X2+2Y22XY2 2X2+Y22X2Y 3X2+Y22X3Y X2+3Y22XY3
x=3,y=2 x=3,y=2 x=2,y=3 x=3,y=2 x=2,y=3 x=2,y=3 x=3,y=2 x=2,y=3
(m+2)2=m2+4 (3+y)( 3-y)= 9-y2 2x(x-1)= 2x2-1 (m-3)(m+1)= m2-3
X2+2Y2 2XY2 2X2+Y2 2X2Y 3X2+Y2 2X3Y X2+3Y2 2XY3
2 1 4 3 1 2 1 2 1 2 3 4 2 1 1 2
X2+2Y22XY2 2X2+Y22X2Y 3X2+Y22X3Y X2+3Y22XY3
X2+2Y2==2XY2 2X2+Y2==2X2Y 3X2+Y2==2X3Y X2+3Y2==2XY3
If x<0 Then y=0 If x<1 Then y=1 If x<2 Then y=2 If x>=2 Then y=3 If x>=2 Then y=3 If x>1 Then y=2 If x>=0Then y=1 If x>0 Then y=0 If x<0 Then y=0 Else If>=0Then y=1 Else y=3 End If If x>=2 Then y=3 Else If>=1 Then y=2 Else y=0 End If