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把33.28°化成度、分、秒得______;108°20′42″=______度.
人气:234 ℃ 时间:2020-04-12 11:31:21
解答
33.28°=33°+60′×0.28=33°+16′+60″×0.8=33°16′48″.
108°20′42″=108°+20′+(42÷60)′=108°+(20.7÷60)°=108.345°.
故选C.故填:33°16′48″;108.345.
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