43.25°-19°5'18" 56度5分+26.5° 19°37'26"×9写出过程 27°47'×3

问题描述:

43.25°-19°5'18" 56度5分+26.5° 19°37'26"×9写出过程 27°47'×3

43.25°-19°5'18" =43°15‘-19°5'18" =43°14’60‘’-19°5'18" =43°9‘42’‘56度5分+26.5°=56°5’+26°30‘=82°35’ 19°37'26"×9=171°+333‘+234’‘=171°+5°+33’+3‘+54’‘=176°36'54''27°47'×...