Alexandraion2010ask Alexandraion2010ask Matematică a fost răspuns 7 calculati a)42/5+11/5=b)16/5-2=c)7/3×9/28 = d)20/35:4/7=e)(2/3)⁰+(2/3)¹+(2/3)²=f)[(2/3)²-1/12]:14/9-(1/2)³ =