(1)10°20′24″=______°;
(1)39.56°=______°______′______″(2)65°25′12″=______°.
(1)10°20′24″=______°;
27.24°=______度______分______秒,108°21′36″=______度.
22.5°=______度______分;12°24′=______度.
18°______′24°______′32°______′11′______〃19′______〃22′______〃
把33.28°化成度、分、秒得______;108°20′42″=______度.
(1/10)°=_____′,18′=______〃.20′=_____°,25〃=______° 把21°30′用度表
(1)34.37°=______度______分______秒. (2)3
30°24′=______°,10点30分时针与分针的夹角是______度.
用度表示 (1)38°24′=______; ( 2)56°45′36″= _______.
3.76°=______度 ______分 ______秒.
计算:48°39′+67°41′=______;90°-78°19′40″=______;21°17′×5=______