计算84°40'30''-47°30'÷6+4°12'50''*3
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/01 04:51:57
计算84°40'30''-47°30'÷6+4°12'50''*3
![计算84°40'30''-47°30'÷6+4°12'50''*3](/uploads/image/z/3646090-10-0.jpg?t=%E8%AE%A1%E7%AE%9784%C2%B040%2730%27%27-47%C2%B030%27%C3%B76%2B4%C2%B012%2750%27%27%2A3)
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" - (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
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