70度18'=70.18度吗
问题描述：
70度18'=70.18度吗
答
错
70度18'=70.3度
答
70° 18 '
= 70° + 18 '
= 70° + 18 / 60 °
= 70° + 6 / 20 °
= 70° + 3 / 10 °
= 70° + 0.3°
= 70.3°