在平面直角坐标系中,点A,B的坐标分别是(0,1),(3,0),下列各组点中,都...答:A、(0,0)满足,但(1,1)不行,(1-3/2)^2+(1-1)^2=1/4≠AB^2/4=5/2,B、(1,-2),(1-3/2)^2+(-2-1/2)^2=1/4+25/4=13/2,不行,(1,2),(1-3/2)^2+(2-1/2)^2=1/4+9/4=5/2,可以,C、.(1,-1),(1-3/2)^2+(-1-1/2)^2=1...
如图,在平面直角坐标系中,点A,B的坐标分别为(-1,0),(3,0),现同时将点...答:Druid The old king is dead, the new king will be established "that year, winning the very first Grand Slam champion Novak Djokovic, after his mother's an excellent shock caused by the remarks this year, once the little German 41-game winning streak with a wild shock wave ...