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数学
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(1)39.56°=______°______′______″(2)65°25′12″=______°.
人气:460 ℃ 时间:2020-03-28 10:09:43
解答
(1)0.56°=0.56×60′=33.6′,0.6′=0.6×60′′=36′′,
∴39.56°=39°33′36″;
(2)12″=0.2′,27′=0.45°,
∴65°25′12″=65.45°.
故答案为:39、33、36;65.45.
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