若M(x1,y1)是线段AB(x,y)中点,则x1=?y1=?
问题描述:
若M(x1,y1)是线段AB(x,y)中点,则x1=?y1=?
答
x1=x/2
y1=y/2
若M(x1,y1)是线段AB(x,y)中点,则x1=?y1=?
x1=x/2
y1=y/2