距离=√(x1-x2)2+(y1-y2)2
x y z
mg164302043.56553658.092455.90 mg14302043.09553637.472445.20 mg16-mg10.4720.6210.70(mg16-mg1)
425.41
平方和的和
{(mg16-mg1)
平方和的和}开
20.63
平方
tan=A0.52
A27.47
距离=√(x1-x2)2+(y1-y2)2
x y z
mg164302043.56553658.092455.90 mg174302043.71553649.752452.20 mg16-mg1-0.158.34 3.70(mg16-mg1)平
69.58
方和的和
{(mg16-mg1)平
8.34
方和的和}开平方
tan=A0.44
A23.75