Addition1 1 80 + 11 = 80 + 14 = 80 + 4 = 70 + 18 = 2 40 + 57 = 70 + 11 = 90 + 1 = 30 + 56 = 3 10 + 53 = 10 + 18 = 20 + 76 = 60 + 6 = 4 30 + 31 = 20 + 77 = 20 + 36 = 40 + 45 = 30 + 52 = 42 + 13 = 36 + 59 = 86 + 2 = 22 + 22 = 46 + 31 = 19 + 15 = 57 + 33 = Ergebnisse prüfen Richtige Ergebnisse: ?