计算84°40'30''-47°30'÷6+4°12'50''*3
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计算84°40''30''''-47°30''÷6+4°12''50''''*3计算84°40''30''''-47°30''÷6+4°12''50''''*3计算84°40''30''''-47°30''÷6+4°12''50''''*38
计算84°40'30''-47°30'÷6+4°12'50''*3
计算84°40'30''-47°30'÷6+4°12'50''*3
计算84°40'30''-47°30'÷6+4°12'50''*3
84°40' 30" - 47°30' / 6 + 4°12' 50" X 3
= 84°40' 30" - (42°+ 5°+ 30' ) / 6 + (4°+ 12' + 50" ) X 3
= 84°40' 30" - (42°/ 6 + 300' / 6 + 30' / 6) + (12°+ 36' + 150")
= 84°40' 30" - (7°+ 50' + 5') + 12°38' 30"
= 96°78' 60" - (7°+ 55')
= 96°79' - 7°55'
= 89°24
84°40′30〃=84+40/60+30/3600=84.675°
47°30′÷6\x09=(47+30/60)/6°=7.916666667°
4°12′50〃×3=(4+12/60+50/3600)°X3=12.64166667°
84°40′30〃-47°30′÷6+4°12′50〃×3=84.675°-7.916666667°+12.64166667°=89.4°
=89°+0.4°X60=89°24′
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84°40'30''-47°30'÷6+4°12'50''*3
=84°40'30''-42°330'÷6+12°36'150''
=84°40'30''-7°55'÷6+12°38'30''
=77°95'30''+12°38'30''
=89°134'
=91°14
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