52°20′+39°58′21″等于多少度多少分多少秒要过程,越详细越好

2024-12-25 20:04:24
推荐回答(2个)
回答1:

52°20′+39°58′21″
=(52+39)°(20+58)′21″
=91°(78)′21″
=91°(60+18)′21″
=92°18′21″

回答2:

52°20′+39°58′21″
=91°78‘21“
=92°18’21”