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19# Jan
e.g they mean split point from segment and merge point to curve.
1.Draw a segment AB.
2.Draw point C,C is moved point on segment AB.
3.Measure ratio of point A,B,C,set k=AC/AB.
4.Plot y=x^2,mark for m.
5.Split point C from segment AB.
6.Merge point C to curve m,ok.
tip:
value of point (点的值)is meaning of the ratio.Here is invented,ha,ha.
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