13.已知啟航地L1 0°17.3'N 、λ 1 175°10.5'E ,目的地L2 1°23.5'S 、λ 2 175°59.5'W ,則兩地之經 緯度差為何?
(A)1°40.8'S 、8°49.0'W
(B)1°40.8'S 、8°50.0'E
(C)1°06.2'N 、8°50.0'E
(D)1°06.2'S 、8°49.0'E

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統計: A(1), B(2), C(1), D(0), E(0) #2400534