27°32'16''+36°48'47''怎么算?

问题描述:

27°32'16''+36°48'47''怎么算?

解27°32'16''+36°48'47''
=(27°+36°)+(32'+48')+(16''+47'')
=(63°)+(80')+(63'')
=(63°)+(1°+20')+(1'+3'')
=(64°)+(20'+1')+3''
=(64°)+(21')+3''
=64°21'3''