121.345°÷6+32°28′36″怎么算?
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/05/29 17:42:25
121.345°÷6+32°28′36″怎么算?
121.345°÷6+32°28′36″
=(121°+0.345°)×1/6+32°28′36″
=[121°+(0.345×60)′ ]×1/6+32°28′36″
=(121°+20.7′)×1/6+32°28′36″
=[121°+20′+(0.7×60)″]×1/6+32°28′36″
=(121°+20′+42″)×1/6+32°28′36″
=(120°+60′+18′+120″+42″)×1/6+32°28′36″
=(120°+78′+162″)×1/6+32°28′36″
=120°×1/6+78′×1/6+162″×1/6+32°28′36″
=20°+13′+27″+32°28′36″
=(20°+32°)+(13′+28′)+(27″+36″)
=52°+41′+63″
=52°+41′+60″+3″
=52°+42′+3″
=52°42′3″
答:52°42′3″
=(121°+0.345°)×1/6+32°28′36″
=[121°+(0.345×60)′ ]×1/6+32°28′36″
=(121°+20.7′)×1/6+32°28′36″
=[121°+20′+(0.7×60)″]×1/6+32°28′36″
=(121°+20′+42″)×1/6+32°28′36″
=(120°+60′+18′+120″+42″)×1/6+32°28′36″
=(120°+78′+162″)×1/6+32°28′36″
=120°×1/6+78′×1/6+162″×1/6+32°28′36″
=20°+13′+27″+32°28′36″
=(20°+32°)+(13′+28′)+(27″+36″)
=52°+41′+63″
=52°+41′+60″+3″
=52°+42′+3″
=52°42′3″
答:52°42′3″
121.345°÷6+32°28′36″怎么算?
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