Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 15 ? 11 = 165 |
×
|
+
|
-
|
|
| 2. | 189 ? 66 = 255 |
×
|
-
|
+
|
|
| 3. | 10 ? 9 = 90 |
×
|
-
|
+
|
|
| 4. | 15 ? 9 = 135 |
-
|
+
|
×
|
|
| 5. | 13 ? 12 = 156 |
-
|
×
|
+
|
|
| 6. | 164 ? 74 = 238 |
×
|
+
|
-
|
|
| 7. | 15 ? 6 = 90 |
×
|
+
|
-
|
|
| 8. | 10 ? 7 = 70 |
×
|
-
|
+
|
|
| 9. | 9 ? 7 = 63 |
-
|
+
|
×
|
|
| 10. | 195 ? 163 = 32 |
+
|
×
|
-
|
|
| 11. | 8 ? 5 = 40 |
+
|
-
|
×
|
|
| 12. | 11 ? 5 = 55 |
-
|
×
|
+
|
|