计算:98°45′36″+71°22′34″=_.

问题描述:

计算:98°45′36″+71°22′34″=______.

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″.