计算:98°45′36″+71°22′34″=______.
计算:98°45′36″+71°22′34″=______.
计算:80°32′15″+90°27′45″=______;100°-36°18′52″=______.
计算:78°46′14″-36°50′=______.
计算:18°15′36″=______°;118°18′-66°23′=______.
计算:153°19′42″+26°40′28″=______.
计算:180°-23°13′6″=______.
计算:50°24′×3+98°12′25″÷5=______.
27.24°=______度______分______秒,108°21′36″=______度.
计算:33°18′=______°.
计算:48°39′+67°41′=______;90°-78°19′40″=______;21°17′×5=______
计算:33°52′+21°54′=______度______分.
计算:57.32°=______度______分______秒.