Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 11 ? 10 = 110 |
×
|
+
|
-
|
|
| 2. | 790 ? 784 = 1.574 |
-
|
+
|
×
|
|
| 3. | 20 ? 19 = 380 |
+
|
×
|
-
|
|
| 4. | 19 ? 15 = 285 |
+
|
×
|
-
|
|
| 5. | 406 ? 267 = 673 |
+
|
×
|
-
|
|
| 6. | 17 ? 12 = 204 |
-
|
×
|
+
|
|
| 7. | 17 ? 10 = 170 |
-
|
×
|
+
|
|
| 8. | 671 ? 593 = 78 |
-
|
×
|
+
|
|
| 9. | 11 ? 11 = 121 |
-
|
+
|
×
|
|
| 10. | 862 ? 823 = 39 |
+
|
-
|
×
|
|
| 11. | 809 ? 228 = 1.037 |
-
|
+
|
×
|
|
| 12. | 19 ? 19 = 361 |
-
|
×
|
+
|
|