180度减37度5分乘4+93.1除以5=?

问题描述:

180度减37度5分乘4+93.1除以5=?

37°5‘×4=148°20'
180°-148°20'=31°40'
93.1°=93°6'
93°6'÷5=93°÷5+6'÷5=18°36'+1'12“=18°37'12"
加起来得31°40'+18°37'12"=50°17'12"