180°-(55°35′+64°28′30″)15°20′32″÷4+27°17′32″×5_数学解答

180°-(55°35′+64°28′30″)
15°20′32″÷4+27°17′32″×5

人气：269 ℃　时间：2020-08-02 09:26:35

解答

15°20′32″÷4+27°17′32″×5
=12º200'32"÷4+135º85'160"
=3º50'8"+135º87'40"
=3º50'8"+136º27'40"
=139º77'48"
=140º17'48"