Purp13R0sesask Purp13R0sesask Matematică a fost răspuns 5.Efectuati:a)34 grade+56 grade;b)75 grade-28 grade;c)19 grade-8d)154 grade:7e)27 grade 18'+56 grade 24'f)5 grade 38'+8 grade 53'g)75 grade-28 grade 53'