你可能感兴趣的试题
2x-y-3=0 x-2y+3=0 2x+y+5=0 x+2y-5=0
x﹣2y﹣1=0 x﹣2y+1=0 3x﹣2y+1=0 x+2y+3=0
y=-2x-3 y=-2x-6 y=-2x+3 y=-2x+6
x+2y-1=0 2x+y-1=0 2x+y-3=0 x+2y-3=0
x+2y-1=0 2x+y-1=0 2x+y-3=0 x+2y-3=0
x-3y+7=0 x-3y+13=0 2x-y+7=0 3x-y-5=0
x+2y-1=0 2x+y-1=0 2x+y-3=0 x+2y-3=0
2x+y-3=0 2x-y-3=0 2x+y+3=0 2x-y+3=0
x+2y-1=0 2x+y-1=0 2x+y-3=0 x+2y-3=0
2x+y﹣8=0 3x﹣2y+1=0 x+2y﹣5=0 3x+2y﹣7=0
2x-y=0 2x-y-2=0 x+2y-3=0 x-2y+3=0
x+2y-1=0 2 x+y-1=0 2 x+y-3=0 x+2y-3=0
2x﹣y﹣3=0 2x﹣y+3=0 2x+y+3=0 2x+y﹣3=0
2x+3y﹣8=0 3x﹣2y+1=0 x+2y﹣5=0 3x+2y﹣7=0
y=2x+3 y=﹣2x+3 y=﹣2x﹣3 y=﹣3x+2
y=-6x+1 y=-2x-3 y=-2x+5 y=2x-3
x+2y-1=0 2x+y-1=0 2x+y-3=0 x+2y-3=0