Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 10 ? 10 = 100 |
×
|
+
|
-
|
|
| 2. | 541 ? 202 = 339 |
-
|
+
|
×
|
|
| 3. | 496 ? 427 = 923 |
×
|
-
|
+
|
|
| 4. | 20 ? 14 = 280 |
+
|
×
|
-
|
|
| 5. | 518 ? 70 = 588 |
×
|
-
|
+
|
|
| 6. | 722 ? 623 = 99 |
×
|
+
|
-
|
|
| 7. | 970 ? 389 = 1.359 |
+
|
×
|
-
|
|
| 8. | 974 ? 920 = 54 |
×
|
+
|
-
|
|
| 9. | 665 ? 79 = 586 |
×
|
-
|
+
|
|
| 10. | 392 ? 325 = 717 |
-
|
+
|
×
|
|
| 11. | 863 ? 431 = 1.294 |
×
|
-
|
+
|
|
| 12. | 909 ? 746 = 1.655 |
×
|
+
|
-
|
|