Ergänze das passende Zeichen [1]
Knobelaufgaben
| Aufgabe 1 | |||||
| 1. | 50 ? 13 = 37 |
•
|
+
|
-
|
|
| 2. | 7 ? 3 = 21 |
-
|
+
|
•
|
|
| 3. | 9 ? 2 = 18 |
•
|
+
|
-
|
|
| 4. | 7 ? 4 = 28 |
•
|
-
|
+
|
|
| 5. | 78 ? 15 = 63 |
•
|
-
|
+
|
|
| 6. | 96 ? 65 = 161 |
-
|
•
|
+
|
|
| 7. | 3 ? 2 = 6 |
+
|
•
|
-
|
|
| 8. | 88 ? 50 = 38 |
•
|
+
|
-
|
|
| 9. | 57 ? 54 = 3 |
-
|
•
|
+
|
|
| 10. | 24 ? 20 = 44 |
•
|
-
|
+
|
|
| 11. | 8 ? 3 = 24 |
•
|
-
|
+
|
|
| 12. | 65 ? 13 = 78 |
•
|
-
|
+
|
|