40.承上題,大圈初航向為:
(A)042.3°
(B)132.3°
(C)227.7°
(D)312.3°
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統計: A(2), B(10), C(10), D(35), E(0) #1204691
統計: A(2), B(10), C(10), D(35), E(0) #1204691