1.13°29‘+78°37”-22°5’42“ 2.23°53‘*3+107°45’/5

问题描述:

1.13°29‘+78°37”-22°5’42“ 2.23°53‘*3+107°45’/5

13°29′+78°37″-22°5′42″=(13°+78°+29′+37″)-22°5′42″=91°29′37″-22°5′42″=91°28′97″-22°5′42″=(91°-22°)+(28′-5′)+(97″-42″)=69°+23′+55″=69°23′55″23°53′×3+107°45′/5=...