6°30′18″＋37.145°等于多少,
问题描述：
6°30′18″＋37.145°等于多少,
答
30'=30/60=0.5°
18"=18/(60*60)
=0.005°
6°30'18"+37.145°
=6+0.5+0.005+37.145
=43.65°