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x1=25.35
y1=5.79
x3=-5.46
y3=2.48
(y2-y1)^2+(x2-x1)^2=23.01^2
(y2-y3)^2+(x2-x3)^2=16.08^2
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No.        y2        x2
1        -7.87813795130195        6.83940560268388
2        15.2143254593507        4.35852102326529
3Â¥2018-05-21 14:53:05
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