25°23'17"＋46°53'43"=71°76'60"=72°17'75°23'12"－46°53'43"=74°82'72"－46°53'43"=28°29'29"19°20'24"×4=76°80'96"=77°°21'36"134°22'÷3=132°141'60"÷3=44°47'20"
