计算:98°45′36″+71°22′34″=_.
问题描述:
计算:98°45′36″+71°22′34″=______.
答
98°45′36″+71°22′34″=(98°+71°)+(45′+22′)+(36″+34″)=169°+67′+70″=170°8′10″.
故答案为170°8′10″.