点号 A B X Y A B 1 351.746 475.756 34872.5 56 54524.4 10 351.790 475.801 2 353.037 468.268 34875.3 54517.3 353.081 468.311 3 354.227 461.370 34878.0 54510.8 354.270 461.413 4 437.656 561.427 34938.4 54626.2 437.701 561.470 5 445.142 560.115 34946.0 54626.5 445.187 560.158 6 452.037 558.906 34953.0 54626.8 452.082 558.949 中1 408.264 504.991 21 6 22 564 9 24 408.308 505.035 中2 413.630 499.609 34928.0