78.63°用度、分、秒表示61°39`-25°5`32`(31°40`-25°4`30``)x3+28`3``x235°18`18``化成°表示的角74.16°化成用度分秒表示的角15.01°+20°36`38``50.2°-20.36`2x53°26`25°35/4

Question

78.63°用度、分、秒表示
61°39`-25°5`32`
(31°40`-25°4`30``)x3+28`3``x2
35°18`18``化成°表示的角
74.16°化成用度分秒表示的角
15.01°+20°36`38``
50.2°-20.36`
2x53°26`
25°35 /4

Answer 1

78.63°用度、分、秒表示
=78°+37.8‘
=78°+37’+48‘’
=78°37’48‘’
61°39`-25°5`32`
=61°38‘60’‘-25°5’32’‘
=36°33‘28’‘
(31°40`-25°4`30``)x3+28`3``x2
=(31°39`60’‘-25°4`30``)x3+56’6‘’
=6°35‘30’‘×3+56’6‘’
=18°+105‘+90’‘+56’+6‘’
=18°+161’+96‘’
=18°+162‘+36’‘
=20°42'36''
35°18`18``化成°表示的角
=35°+18.3’‘
=35°+18.3÷60°
=35°+0.305°
=35.305°
74.16°化成用度分秒表示的角
=74°+9.6’
=74°+9‘+36’‘
=74°9’36‘’
15.01°+20°36`38``
=15°0‘36’‘+20°36`38``
=35°1’14‘’
50.2°-20.36`
=50.2°-20.6°
=29.6°
=29°36‘
2x53°26`
=106°52’
25°35 /4
=(24°+95‘)/4
=(24°+92’+180‘’)/4
=6°+23‘+45’‘
=6°23’45‘’