30.26°=( )°( )′( )〃 18°15′36〃=( )° 请告诉我怎样接得,这块我学的不好
人气:381 ℃ 时间:2020-05-07 19:15:09
解答
30.26°=( 30)°(15 )′(36 )〃 18°15′36〃=(18.26 )° 30.26°用0.26乘以60=15.6,整数15就是分,剩下的小数0.6再乘以60=36就是秒18°15′36,先将15分乘以60,换算成秒,再加上36秒,和除以3600换算成分,(15*...
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