123°62′24″+64°12′53″=
问题描述:
123°62′24″+64°12′53″=
答
123°62′24″+64°12′53″
= 124°2′24″+64°12′53″
= 124°+64° + 2′+12′ + 24″+53″
= 188° + 14′ + 77″
= 188° 15′ 17″