(31°51′-25°4′30″)×3+28°3′÷2 =? ( 结果化为度)

2025-03-13 10:46:56
推荐回答(5个)
回答1:

(31°51′-25°4′30″)×3+28°3′÷2
=(31°50′60″-25°4′30″)×3+28°3′÷2
=6°46′30″×3+28°3′÷2
=6.775°×3+28.05°÷2
=34.35°
秒先化为分÷60,再化为度÷60

回答2:

(31°51′-25°4′30″)×3+28°3′÷2
=6°46'30''x3+14.025°
=18°+138'+90''+14.025°
=20.325°+14.025°
=34.35°

回答3:

(31°51′-25°4′30″)×3+28°3′÷2
=6°50′′30″×3+14°1′30″
=20°31′30″+14°1′30″
=34°33′

回答4:

(31°51′-25°4′30″)×3+28°3′÷2
=6°46′30″+14°1.5′
=6.775°+14.025°
=20.8°

回答5:

34.35度