Ergänze das passende Zeichen
Zahlen
| Aufgabe 1 | |||||
| 1. | 45 ? 42 = 87 |
+
|
-
|
•
|
|
| 2. | 10 ? 8 = 80 |
-
|
•
|
+
|
|
| 3. | 98 ? 18 = 116 |
+
|
•
|
-
|
|
| 4. | 9 ? 1 = 9 |
•
|
+
|
-
|
|
| 5. | 92 ? 23 = 69 |
+
|
•
|
-
|
|
| 6. | 10 ? 3 = 30 |
-
|
+
|
•
|
|
| 7. | 79 ? 61 = 140 |
•
|
-
|
+
|
|
| 8. | 54 ? 19 = 73 |
•
|
-
|
+
|
|
| 9. | 6 ? 1 = 6 |
•
|
+
|
-
|
|
| 10. | 7 ? 3 = 21 |
-
|
+
|
•
|
|
| 11. | 6 ? 2 = 12 |
+
|
-
|
•
|
|
| 12. | 7 ? 1 = 7 |
+
|
-
|
•
|
|