13°29'+53°55'-60°47'等于多少

日期:2021-06-08 13:34:44 人气:1

13°29'+53°55'-60°47'等于多少

13°29'+53°55'-60°47'
=(13+53-60)°+(29+55-47)'
=6°+37‘
=6°37‘
    A+
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