单项选择题
A.X =110.3237、Y =242.5747B.X =113.3233、Y =242.5747C.X =220.5747、Y =135.3233D.X =113.3233、Y =135.3233
A.15.32B.9.55C.7.43D.12.76
A.439.27B.440.15C.532.48D.481.35