若a,x1,x2,x3,b与a,y1,y2,y3,y4,y5,b均成等差数列,求(x3-x1)/(y3-y1)过程详细点
问题描述:
若a,x1,x2,x3,b与a,y1,y2,y3,y4,y5,b均成等差数列,求(x3-x1)/(y3-y1)
过程详细点
答
若a,x1,x2,x3,b与a,y1,y2,y3,y4,y5,b均成等差数列,求(x3-x1)/(y3-y1)
过程详细点