180°-(34°54′+21°33′)=______.
计算:33°52′+21°54′=______度______分.
27.24°=______度______分______秒,108°21′36″=______度.
22.5°=______度______分;12°24′=______度.
(1)39.56°=______°______′______″(2)65°25′12″=______°.
180°-56°42′32″=______,25°54′÷3=______.
3.76°=______度 ______分 ______秒.
计算:33°18′=______°.
52°45′-32°46′=______°______′.
90°-46°27′=______,180°-42°35′29″=______.
18°______′24°______′32°______′11′______〃19′______〃22′______〃
计算:48°39′+67°41′=______;90°-78°19′40″=______;21°17′×5=______
(1)34.37°=______度______分______秒. (2)3