网址:http://m.1010jiajiao.com/timu_id_2097648[举报]
计算下列各题:
(1)23°30′=_____°,13.6°=____°_______′;
(2)52°45′-32°46′=_____°_____′;
(3)18.3°+26°34′=_______°_______′.