23.19°=____°_____′_____″ 32°45′20″×4-40°35′50″ (40°15′16″+12
33.33°=_____度_____分_____秒.118°20′42″_____度
56°27′36″=_____度,72°28′=_____度_____分_____秒.
56.2°等于____°_____′
15°30′5″=_____″;7200″=_____°
5.32°=_____″ 25920″=____° 23°29′+58°37″=______
度分秒运算 16.7°=____°_____′_____" 76°32′24"=______°_____′______"
56°25′72″=_____度.
18.32°=18°____′____〃,216°42′=_____°.
一.填空题:1.2/3直角=___°,45°=____平角=_____周角2.6°30′18″=_________°;3
12°24′=_____°
角的单位换算32.18°=____°_____'_____"42.36°=____°_____'_____"
(1)2.5°=_____′(2)135°=_____平角(3)23°30′_____°(4)78.36°=____°_