1-(1)123°22′48〃
0.38度=0.38×60=22.8分,0.8分=0.8×60=48秒
1-(2)15°45′
0.75度=0.75×60=45分
2-(1)51.43°
48〃=48/60=0.8′,25.8′=25.8/60=0.43°
2-(2)128.345°
42〃=42/60=0.7′,20.7′=20.7/60=0.345°
1-(1)123°22′48〃
0.38度=0.38×60=22.8分,0.8分=0.8×60=48秒
1-(2)15°45′
0.75度=0.75×60=45分
2-(1)51.43°
48〃=48/60=0.8′,25.8′=25.8/60=0.43°
2-(2)128.345°
42〃=42/60=0.7′,20.7′=20.7/60=0.345°