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题目:将 35°48'换算成度(精确到分),把 42.5° 换算成度、分。
答案:(1)35°48' = 35°+48/60° = 35.8°; (2)42.5° = 42°+0.5×60' = 42°30'。 答:35°48'=35.8°,42.5°=42°30'。
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