176º52′÷3

176º52′÷3
176º52′÷3

176º52′÷3

注意到：1º=60‘,1'=60",
有：
176º52′÷3
=(176º+52′)÷3
=(176÷3)º+(52÷3)′
=[(174+2)÷3]º+[(51+1)÷3]′
=(174÷3+2÷3)º+(51÷3+1÷3)′
=(174÷3)º+(2÷3)º+(51÷3)′+(1÷3)′
=58º+(120÷3)'+17′+(60÷3)"
=58º+40'+17′+20"
=58º+57'+20"
=58º57'20"
为让楼主看清出解题思路,上面书写的比较啰嗦.

58°57’20“