Denydenysa2002ask Denydenysa2002ask Matematică a fost răspuns 1.Efectuati : a) 8,(7) - 3,(2)=b) 11,(12) - 4,(23)=c) 9,2(5) - 6,1(3)=d)7,(8) - 3,4(5)= 2.EFECTUATI :a) 0,42 ×10=b)1,3×10=c)17,5×100=d)24,932×100=e)7,21×1000=f)1,2×400=g)0,25×300h)0,27×5000=