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90°-46°27′=______,180°-42°35′29″=______.
人气:217 ℃ 时间:2020-06-02 21:00:53
解答
90°-46°27′=89°60′-46°27′=43°33′.
180°-42°35′29″=179°59′60″-42°35′29″=137°24′31″.
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