Ergänze das passende Zeichen [2]
Knobelaufgaben
| Aufgabe 1 | |||||
| 1. | 63 ? 22 = 85 |
•
|
-
|
+
|
|
| 2. | 56 ? 37 = 93 |
-
|
+
|
•
|
|
| 3. | 9 ? 9 = 81 |
+
|
•
|
-
|
|
| 4. | 29 ? 19 = 10 |
•
|
-
|
+
|
|
| 5. | 98 ? 40 = 58 |
•
|
-
|
+
|
|
| 6. | 93 ? 50 = 143 |
-
|
+
|
•
|
|
| 7. | 3 ? 2 = 6 |
-
|
•
|
+
|
|
| 8. | 10 ? 8 = 80 |
•
|
+
|
-
|
|
| 9. | 55 ? 45 = 100 |
•
|
-
|
+
|
|
| 10. | 99 ? 86 = 185 |
•
|
-
|
+
|
|
| 11. | 56 ? 12 = 44 |
+
|
•
|
-
|
|
| 12. | 75 ? 51 = 24 |
+
|
•
|
-
|
|