Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 983 ? 902 = 1.885 |
+
|
×
|
-
|
|
| 2. | 18 ? 10 = 180 |
+
|
-
|
×
|
|
| 3. | 643 ? 109 = 752 |
-
|
+
|
×
|
|
| 4. | 17 ? 16 = 272 |
+
|
×
|
-
|
|
| 5. | 20 ? 14 = 280 |
-
|
×
|
+
|
|
| 6. | 20 ? 15 = 300 |
-
|
×
|
+
|
|
| 7. | 710 ? 576 = 1.286 |
×
|
+
|
-
|
|
| 8. | 592 ? 563 = 29 |
×
|
+
|
-
|
|
| 9. | 737 ? 151 = 888 |
-
|
×
|
+
|
|
| 10. | 931 ? 575 = 1.506 |
-
|
+
|
×
|
|
| 11. | 788 ? 107 = 895 |
+
|
×
|
-
|
|
| 12. | 296 ? 251 = 547 |
+
|
-
|
×
|
|