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计算:(1)90°-57°27′18″;(2)22°27′33″×3.要详细过程
(1)90°-57°27′18″;(2)22°27′33″×3.帮帮忙吧
人气:210 ℃ 时间:2019-08-21 13:00:39
解答
1、=89°59‘60’‘-57°27’18‘’
=32°32'42''
2、=66°81‘99’‘=67°22’39‘’
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22°18′×5=______ 90°-57°23′27″=______ 33°25′除2=_______ 32.48°=_____°______′_____″
22度27分33秒×3
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