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27°18`37``+27°18`37``


Răspuns :

Răspuns:

54°37'14"

Explicație pas cu pas:

27°18`37``+27°18`37``=2*27°18`37=54°36'74"=54°(36+1)'14"=54°37'14"

am folosit 74"=60"+14"=1'+14"

27°18'37"+

27°18'37"

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54°36'74"

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54°37'14"