180°-(48°39′40″+67°41′35″)
问题描述:
180°-(48°39′40″+67°41′35″)
答
35°35′-25°45′=9°50′ 180°-(48°39′40″+67°41′35″) =178°118′120″-115°80′75″ =63°38′45″
180°-(48°39′40″+67°41′35″)
35°35′-25°45′=9°50′ 180°-(48°39′40″+67°41′35″) =178°118′120″-115°80′75″ =63°38′45″