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Virginia26092007aga
a fost răspuns

a)23°10'+13°2'+10°23'=
b)175°--134°20'+6°30':3•2=
c)(1°+2°+3°+4°+5°+6°+7°+8°+9°+10°+11°+12°+13°)--90°=​

Răspuns :

Narcisuca200
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