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

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/04 14:04:35

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

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"