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x+y﹣3=0 2x﹣y﹣6=0 x﹣y﹣3=0 2x+y﹣6=0
3x-y-5=0 3x+y-7=0 x+3y-5=0 x-3y+1=0
3x y 5 = 0 3x +y 7 = 0 x +3y 5 = 0 x 3y+5 = 0
x﹣y﹣3=0,x+y﹣3=0 x﹣y﹣3=0,x﹣y﹣3=0
x+y﹣3=0,x﹣y﹣3=0 x+y﹣3=0,x﹣y﹣3=0
3x-y-5=0 x+3y-5=0 3x-y-1=0 x+3y-1=0
3x-y-5=0 3x+y-7=0 3x-y-1=0 3x+y-5=0
x-2y+4=0 3x+4y-18=0 y+3=0 x-2=0
PB,则弦AB所在直线的方程为( ) A.2x-3y-1=0 2x+3y-1=0 3x+2y-1=0 3x-2y-1=0
3x+2y-7=0 2x+y-4=0 x-2y-3=0 x-2y+3=0
PB,则弦AB所在直线的方程为( ) A.2x-3y-1=0 2x+3y-1=0 3x+2y-1=0 3x-2y-1=0
x+y-5=0 x+y-3=0 x-y-1=0 x-y+1=0
2x+y-3=0 x-2y+1=0 x+2y-3=0 2x-y-1=0
x+y﹣3=0 2x﹣y﹣6=0 x﹣y﹣3=0 2x+y﹣6=0