Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 17 ? 15 = 255 |
-
|
×
|
+
|
|
| 2. | 608 ? 120 = 728 |
-
|
+
|
×
|
|
| 3. | 631 ? 209 = 422 |
×
|
-
|
+
|
|
| 4. | 976 ? 216 = 1.192 |
×
|
-
|
+
|
|
| 5. | 15 ? 10 = 150 |
+
|
×
|
-
|
|
| 6. | 596 ? 423 = 1.019 |
×
|
-
|
+
|
|
| 7. | 893 ? 442 = 451 |
+
|
-
|
×
|
|
| 8. | 648 ? 243 = 891 |
×
|
-
|
+
|
|
| 9. | 929 ? 903 = 1.832 |
×
|
-
|
+
|
|
| 10. | 831 ? 722 = 1.553 |
-
|
+
|
×
|
|
| 11. | 983 ? 820 = 163 |
+
|
-
|
×
|
|
| 12. | 19 ? 14 = 266 |
×
|
+
|
-
|
|