14 1 2 Geschickt rechnen mit 10 . mit 10 . 10 + =18 + 9=18 + 10 =13 11 + =13 10 + =14 + 9=14 + 10 =16 11 + =16 10 + =20 + 9=20 + 10 =15 11 + =15 10 + =17 + 9=17 + 10 =18 11 + =18 10+ 3 = 9+ 4 = 10+ 7 = 11+ 6 = 10+ 1 = 9+ 2 = 10+ 2 = 11+ 1 = 10+ 5 = 9+ 6 = 6 +10= 5 +11= 10+ 8 = 9+ 9 = 4 + 10 = 3 +11 = Nur zu Prüfzwecken – Eigentum des Verlags öbv
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