(1)18.32°=______°______′______″;
(1)39.56°=______°______′______″(2)65°25′12″=______°.
27.24°=______度______分______秒,108°21′36″=______度.
3.76°=______度 ______分 ______秒.
125×32×25=(______×______)×(______×______)
125×(4+8)=______×______+______×______.
22.5°=______度______分;12°24′=______度.
(1)34.37°=______度______分______秒. (2)3
18°______′24°______′32°______′11′______〃19′______〃22′______〃
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
计算:48°39′+67°41′=______;90°-78°19′40″=______;21°17′×5=______
39.145°=______度______分_______秒
1、 (1)一周角=______平角=______直角=_______°; 60°=______平角=________周