题目

(1) 点 P(m+3,m+1)在x轴上,则点P的坐标为 (2) 点P(-2,3)到x轴的距离为,到y轴的距离为,到原点的距离为; (3) 已知两点A(4,y),B(x,-3),经过A,B两点的直线平行于x轴,AB=5,则x=,y= 答案:【1】(2,0) 【1】3【2】2【3】13 【1】9或-1【2】-3My summer holiday was wonderful. _____you? ( )A. How B. About C. How about
数学 试题推荐