Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 18 ? 17 = 306 |
×
|
+
|
-
|
|
| 2. | 527 ? 447 = 80 |
+
|
×
|
-
|
|
| 3. | 742 ? 732 = 10 |
+
|
-
|
×
|
|
| 4. | 19 ? 18 = 342 |
-
|
+
|
×
|
|
| 5. | 860 ? 664 = 196 |
+
|
-
|
×
|
|
| 6. | 784 ? 619 = 1.403 |
×
|
+
|
-
|
|
| 7. | 15 ? 12 = 180 |
-
|
+
|
×
|
|
| 8. | 20 ? 12 = 240 |
-
|
×
|
+
|
|
| 9. | 980 ? 700 = 280 |
+
|
×
|
-
|
|
| 10. | 995 ? 841 = 154 |
+
|
×
|
-
|
|
| 11. | 17 ? 11 = 187 |
+
|
-
|
×
|
|
| 12. | 249 ? 192 = 441 |
×
|
-
|
+
|
|