过点P(0,1)做直线,使它被两条直线l1:x-3y+10=0,l2:2x+y-8=0.所截得的线段平分于点P,求此直线
过点P(0,1)作直线l,使它被两条直线l1:2x+y-8=0和l2:x-3y+10=0所夹的线段被P点平分,试求直线l
过点M(0,1)作直线,使它被两直线l1:x-3y+10=0,l2:2x+y-8=0所截得的线段恰好被M所平分,求此直线
过点P(3,0)做一直线,使它夹在两直线L1:2X-Y-2=0和L2:X+Y+3=0之间的线段AB恰被P点平分,求此直线
过点M(0,1)作直线,使它被两直线L1:x-3y+10=0,L2:2x+y-8=0所截得的线段恰好被M所平分,求此直线
已知点P(0,1),过P作直线,使它夹在两已知直线L1:x-3y+10=0和L2:2x+y-8=0间的线段被P点平分,求
椭圆求一条直线l,使它被直线l1:x-3y+10=0与直线l:2x+y-8=0所截得的线段平分于点p(0,1)
点P(0,1)作直线l,使它被已知直线了l1:x-3y+10=0,l2:2x+y-8所截得的线段平分与点p
已知点P(0,1),过点P求直线,使它夹在两条直线L1:x-3y+10=0和L2:2x+y-8=0间的线段被点P平分,求
过点M(0,1)作直线,使它被直线L1:x-3y+10=0,L2 2x+y-8=0所截的线段恰好被M所平分,求次直线的方
过点M(0,1)作直线L,使它被两已知直线L1:x-3y+10=0,L2:2x+y-8=0,所截得的线段恰好被M所平分,
一直线被两条直线L1:4x+y+6=0,L2:3x-5y-6=0截得线段的中点是P点,当P点为(0,1)时,求此直线方程
练习题过点P(3,0)有一条直线l,它夹在两天直线L1:2x-y-2=0 L2:x+y+3=0 之间的线段被点P平分,求