(1)39.56°=______°______′______″(2)65°25′12″=______°.
(1)39.56°=______°______′______″(2)65°25′12″=______°.
27.24°=______度______分______秒,108°21′36″=______度.
22.5°=______度______分;12°24′=______度.
3.76°=______度 ______分 ______秒.
(1)34.37°=______度______分______秒. (2)3
125×32×25=(______×______)×(______×______)
125×(4+8)=______×______+______×______.
180°-56°42′32″=______,25°54′÷3=______.
90°-46°27′=______,180°-42°35′29″=______.
把33.28°化成度、分、秒得______;108°20′42″=______度.
45°=______直角=______平角=______周角.
用度、分、秒表示26.34°=______度______分______秒.