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108°30′18″是多少°?还有73.145°是 ° ′
人气:162 ℃ 时间:2020-03-17 01:26:49
解答
因为:1°=60′=3600″
所以:
解1:
108°30′18″
=108°+30′+18″
=108°+(30/60)°+(18/3600)°
=108°+0.5°+0.005°
=108.505°
解2:
73.145°
=73°+0.145°
=73°+(0.145×60)′
=73°+8.7′
=73°+8′+0.7′
=73°+8′+(0.7×60)'′
=73°+8′+42'′
=73°8′42'′
以上写的比较啰嗦,是为了让楼主看清楚整个过程.
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