40.承上題,求真方位Zn為何?
(A)010.8°
(B)169.2°
(C)190.8°
(D)349.2°
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統計: A(1), B(35), C(9), D(3), E(0) #1194524
統計: A(1), B(35), C(9), D(3), E(0) #1194524