度分秒计算~谢.60°31'43''x2-45°13'30''/3+18°45'48''虽然两位都很好。可是最后的答案应该是124_数学解答

度分秒计算~谢.
60°31'43''x2-45°13'30''/3+18°45'48''
虽然两位都很好。可是最后的答案应该是124°46'44''...

人气：229 ℃　时间：2020-03-27 16:23:58

解答

1°=60'
1'=60''
60°31'43''x2-45°13'30''/3+18°45'48''
=120°62'86''-15°4'30''+18°45'48''
=123°103'104''
=124°44'44