角的比较与运算 13°29'+78°37''=

问题描述:

角的比较与运算 13°29'+78°37''=

91°29'37

92度6分

13°29'+78°37''=91º66′=92°6′

13°29'+78°37''
=13°29'+78°31''+6“
=92°+6”
=92°6”