Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 20 ? 14 = 280 |
+
|
×
|
-
|
|
| 2. | 19 ? 15 = 285 |
+
|
-
|
×
|
|
| 3. | 20 ? 20 = 400 |
-
|
×
|
+
|
|
| 4. | 175 ? 51 = 124 |
×
|
+
|
-
|
|
| 5. | 925 ? 675 = 1.600 |
×
|
-
|
+
|
|
| 6. | 554 ? 393 = 161 |
-
|
+
|
×
|
|
| 7. | 18 ? 15 = 270 |
+
|
-
|
×
|
|
| 8. | 535 ? 316 = 219 |
+
|
×
|
-
|
|
| 9. | 864 ? 660 = 204 |
×
|
-
|
+
|
|
| 10. | 14 ? 10 = 140 |
-
|
+
|
×
|
|
| 11. | 441 ? 366 = 75 |
×
|
+
|
-
|
|
| 12. | 869 ? 84 = 953 |
×
|
-
|
+
|
|