Kies het goede teken
Getallen
| Oefening 1 | |||||
| 1. | 987 ? 501 = 486 |
×
|
-
|
+
|
|
| 2. | 16 ? 14 = 224 |
-
|
×
|
+
|
|
| 3. | 20 ? 19 = 380 |
+
|
-
|
×
|
|
| 4. | 17 ? 17 = 289 |
+
|
-
|
×
|
|
| 5. | 16 ? 16 = 256 |
×
|
-
|
+
|
|
| 6. | 937 ? 890 = 1.827 |
×
|
+
|
-
|
|
| 7. | 952 ? 607 = 1.559 |
×
|
+
|
-
|
|
| 8. | 234 ? 87 = 147 |
-
|
×
|
+
|
|
| 9. | 924 ? 430 = 494 |
×
|
-
|
+
|
|
| 10. | 18 ? 16 = 288 |
-
|
+
|
×
|
|
| 11. | 19 ? 18 = 342 |
-
|
×
|
+
|
|
| 12. | 16 ? 15 = 240 |
+
|
×
|
-
|
|