计算:33°52′+21°54′=______度______分.
计算:33°52′+21°54′=______度______分.
27.24°=______度______分______秒,108°21′36″=______度.
计算:57.32°=______度______分______秒.
22.5°=______度______分;12°24′=______度.
3.76°=______度 ______分 ______秒.
用度、分、秒表示26.34°=______度______分______秒.
计算:33°18′=______°.
把33.28°化成度、分、秒得______;108°20′42″=______度.
30°24′=______°,10点30分时针与分针的夹角是______度.
39.145°=______度______分_______秒
(1)34.37°=______度______分______秒. (2)3
计算:48°39′+67°41′=______;90°-78°19′40″=______;21°17′×5=______