Onorinababiciuc07id Onorinababiciuc07id Matematică a fost răspuns Calculați: a) 17°49'+2°3' B)50'+22°43' C)70°18'+80°40' D)12°13'+28°51' E)15°58-8°23' F)120°-94°17' G)93°24'-18°55' H)135°8'-73°19' I)23°-12'