Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 777 ? 511 = 1.288 |
-
|
×
|
+
|
|
| 2. | 625 ? 306 = 319 |
+
|
×
|
-
|
|
| 3. | 15 ? 12 = 180 |
×
|
+
|
-
|
|
| 4. | 849 ? 622 = 1.471 |
-
|
×
|
+
|
|
| 5. | 16 ? 13 = 208 |
-
|
×
|
+
|
|
| 6. | 20 ? 10 = 200 |
-
|
×
|
+
|
|
| 7. | 10 ? 10 = 100 |
+
|
-
|
×
|
|
| 8. | 783 ? 739 = 44 |
-
|
+
|
×
|
|
| 9. | 405 ? 346 = 59 |
+
|
×
|
-
|
|
| 10. | 273 ? 214 = 487 |
×
|
+
|
-
|
|
| 11. | 504 ? 357 = 861 |
+
|
×
|
-
|
|
| 12. | 755 ? 353 = 1.108 |
-
|
×
|
+
|
|