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Nr naturale de forma ab5 sunt în nr de: a.90 b.100 c.20 d.50

Răspuns :

115,125,135,145,155,165,175,185,195,105,205,215,225,235,245,255,265,275,285,295,305,315,325,335,345,355,365,375,385,395...........
r.a90