Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 20 ? 12 = 240 |
×
|
+
|
-
|
|
| 2. | 921 ? 413 = 508 |
-
|
×
|
+
|
|
| 3. | 273 ? 132 = 405 |
+
|
×
|
-
|
|
| 4. | 16 ? 11 = 176 |
-
|
+
|
×
|
|
| 5. | 463 ? 53 = 410 |
+
|
×
|
-
|
|
| 6. | 13 ? 10 = 130 |
×
|
+
|
-
|
|
| 7. | 846 ? 127 = 719 |
-
|
+
|
×
|
|
| 8. | 611 ? 478 = 133 |
+
|
-
|
×
|
|
| 9. | 20 ? 12 = 240 |
-
|
×
|
+
|
|
| 10. | 626 ? 470 = 156 |
+
|
-
|
×
|
|
| 11. | 336 ? 331 = 667 |
-
|
×
|
+
|
|
| 12. | 18 ? 14 = 252 |
×
|
+
|
-
|
|