15°30′18″等于多少度?急急急

2025-05-15 02:02:57
推荐回答(2个)
回答1:

18″
=(18÷60)′
=0.3′

30′18″
=30.3′
=(30.3÷60)°
=0.505°

15°30′18″
=15.505°

回答2:

15°30′18″=15.505°