Wir lernen Mathematik 1 | Teil C
Die Zahlen bis 30 Aufgabenreihe fortsetzen 1 19 Treppauf – treppab 1 30 29 28 27 - - - - = = = 1 1 1 2 20 20 20 20 20 20 + + + + + + = = = = = = 3 6 8 4 5 0 3 20 20 20 20 20 20 + + + + + + = = = = = = 22 27 29 21 28 30 4 30 30 30 30 30 30 - - - - - - = = = = = = 3 5 9 6 4 8 5 30 30 30 30 30 30 30 30 30 - - - - - - - - - = = = = = = = = = 28 24 26 29 23 20 22 25 27 Addieren 2 Subtrahieren 4 21 22 23 24 25 26 27 28 29 30 20 Additives Ergänzen 3 Subtraktives Ergänzen 5 23 22 21 20 + + + + = = 1 1 =1
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