21°26′*3-45°28′36″

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/20 16:36:24
21°26′*3-45°28′36″
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21°26′*3-45°28′36″
21°26′*3-45°28′36″

21°26′*3-45°28′36″
21°26′*3-45°28′36
=63°78′*-45°28′36″
=63°77′60″-45°28′36″
=18°49′24″

你好!
21°26′*3-45°28′36″
=63°78′-45°28′36″
=63°77′60″-45°28′36″
=(63-45)°+(77-28)′+(60-36)″
=18°+49′+24″
=18°49′24″
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18 49 24

18度49分24秒,计算机算的,准没错。

18°49‘24’‘
记住度和分之间的进度为60

18°49′24″

21°26′*3=63°78′=64°18′
64°18′-45°28′36″=18°49′24″

21°26′*3-45°28′36″
=63°78′-45°28′36″
=63°77′60"-45°28′36″
=18°49′24″