Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 834 ? 486 = 348 |
-
|
+
|
×
|
|
| 2. | 518 ? 139 = 657 |
+
|
×
|
-
|
|
| 3. | 508 ? 248 = 756 |
+
|
×
|
-
|
|
| 4. | 553 ? 243 = 796 |
+
|
-
|
×
|
|
| 5. | 198 ? 52 = 146 |
+
|
×
|
-
|
|
| 6. | 546 ? 246 = 792 |
-
|
×
|
+
|
|
| 7. | 471 ? 381 = 852 |
-
|
×
|
+
|
|
| 8. | 659 ? 244 = 415 |
+
|
×
|
-
|
|
| 9. | 885 ? 304 = 1.189 |
+
|
-
|
×
|
|
| 10. | 770 ? 550 = 1.320 |
+
|
×
|
-
|
|
| 11. | 963 ? 117 = 1.080 |
+
|
-
|
×
|
|
| 12. | 725 ? 712 = 1.437 |
×
|
-
|
+
|
|