Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 20 ? 20 = 400 |
+
|
-
|
×
|
|
| 2. | 263 ? 173 = 436 |
-
|
×
|
+
|
|
| 3. | 898 ? 353 = 545 |
+
|
-
|
×
|
|
| 4. | 531 ? 323 = 208 |
+
|
-
|
×
|
|
| 5. | 14 ? 14 = 196 |
-
|
×
|
+
|
|
| 6. | 13 ? 12 = 156 |
×
|
+
|
-
|
|
| 7. | 849 ? 475 = 374 |
×
|
+
|
-
|
|
| 8. | 616 ? 378 = 994 |
×
|
-
|
+
|
|
| 9. | 20 ? 17 = 340 |
+
|
×
|
-
|
|
| 10. | 308 ? 288 = 20 |
×
|
-
|
+
|
|
| 11. | 885 ? 137 = 1.022 |
×
|
+
|
-
|
|
| 12. | 687 ? 562 = 125 |
-
|
+
|
×
|
|