Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 20 ? 12 = 240 |
-
|
+
|
×
|
|
| 2. | 667 ? 615 = 52 |
×
|
+
|
-
|
|
| 3. | 19 ? 19 = 361 |
×
|
-
|
+
|
|
| 4. | 11 ? 11 = 121 |
-
|
+
|
×
|
|
| 5. | 756 ? 600 = 156 |
-
|
+
|
×
|
|
| 6. | 511 ? 192 = 319 |
+
|
-
|
×
|
|
| 7. | 950 ? 280 = 1.230 |
×
|
-
|
+
|
|
| 8. | 13 ? 13 = 169 |
×
|
-
|
+
|
|
| 9. | 656 ? 174 = 482 |
+
|
×
|
-
|
|
| 10. | 987 ? 961 = 26 |
-
|
×
|
+
|
|
| 11. | 722 ? 172 = 894 |
-
|
+
|
×
|
|
| 12. | 763 ? 755 = 8 |
×
|
-
|
+
|
|