A.–0.010m B.–0.007m C.+0.005m D.+0.007m
A.64.748m B.64.812m C.64.821m D.64.784m
A.-0.012m;59.988m B.+0.012m;60.012m C.–0.012m;59.982m D.+0.012m;59.982m