Ergänze das passende Zeichen [2]
Knobelaufgaben
| Aufgabe 1 | |||||
| 1. | 10 ? 1 = 10 |
•
|
+
|
-
|
|
| 2. | 5 ? 2 = 10 |
-
|
+
|
•
|
|
| 3. | 8 ? 3 = 24 |
+
|
•
|
-
|
|
| 4. | 9 ? 7 = 63 |
+
|
•
|
-
|
|
| 5. | 10 ? 4 = 40 |
•
|
+
|
-
|
|
| 6. | 64 ? 16 = 80 |
+
|
-
|
•
|
|
| 7. | 32 ? 17 = 49 |
+
|
-
|
•
|
|
| 8. | 71 ? 51 = 122 |
-
|
+
|
•
|
|
| 9. | 54 ? 50 = 4 |
-
|
•
|
+
|
|
| 10. | 84 ? 21 = 63 |
•
|
-
|
+
|
|
| 11. | 3 ? 2 = 6 |
+
|
•
|
-
|
|
| 12. | 51 ? 28 = 23 |
-
|
+
|
•
|
|