Wir lernen Mathematik 3 | Teil A

Ergänzen 1 3 2 4 6 7 Additives und subtraktives Ergänzen 53 67 65 69 35 73 54 36 51 58 56 73 47 38 59 76 84 92 75 81 62 67 34 49 75 94 87 43 38 67 53 42 83 76 91 57 + - - - + - - - + + + + + - - - + - - - + + + + + - - - + - - - + + + + = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 3 + = 8 ? 58 63 63 63 42 65 49 27 58 62 58 82 50 32 54 72 91 84 66 75 69 73 37 57 79 92 84 42 45 58 47 38 86 84 95 65 35 + = 40 ? 40 + = 42 ? 82 82 + + = = 78 74 ... ... 78 -82 - 87 - 84 - 86 - 85 - 81 - 83 82 +78 + 73 + 75 + 77 + 74 + 76 + 79 78 78 - - = = 83 86 ... ... 39 82 87 28 94 71 56 65 45 43 73 92 2 41 78 96 35 87 67 64 59 53 52 65 86 5 Wie groß ist der Unterschied? 7 – = 3 ? 73 – = 70 ? 70 – = 65 ?