23 Plusrechnen mit Zehnerübergang 1 48 + 5 = 48 + = 50 50 + = 2 3 27 + 4 = 27 + = 30 30 + = 44 + 8 = 44 + = + = 39 + 4 = 39 + = 40 40 + = a) 56 + 8 = 56 + = 60 60 + = 32 + 9 = 32 + = 40 40 + = 28 + 6 = 28 + = 30 30 + = 59 + 2 = 59 + = + = 46 + 7 = 46 + = + = b) c) Nur zu Prüfzwecken – Eigentum des Verlags öbv
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