| Oefening 1 | |||||
| 1. | 15 ? 10 = 150 |
×
|
-
|
+
|
|
| 2. | 20 ? 17 = 340 |
-
|
+
|
×
|
|
| 3. | 858 ? 583 = 1.441 |
-
|
×
|
+
|
|
| 4. | 731 ? 531 = 200 |
×
|
-
|
+
|
|
| 5. | 831 ? 322 = 1.153 |
-
|
×
|
+
|
|
| 6. | 449 ? 73 = 522 |
×
|
-
|
+
|
|
| 7. | 222 ? 82 = 304 |
-
|
+
|
×
|
|
| 8. | 658 ? 203 = 455 |
-
|
×
|
+
|
|
| 9. | 20 ? 15 = 300 |
-
|
×
|
+
|
|
| 10. | 807 ? 170 = 637 |
-
|
+
|
×
|
|
| 11. | 841 ? 90 = 931 |
-
|
×
|
+
|
|
| 12. | 613 ? 549 = 1.162 |
-
|
+
|
×
|
|
| Oefening 1 | |||||
| 1. | 15 ? 10 = 150 |
×
|
-
|
+
|
|
| 2. | 20 ? 17 = 340 |
-
|
+
|
×
|
|
| 3. | 858 ? 583 = 1.441 |
-
|
×
|
+
|
|
| 4. | 731 ? 531 = 200 |
×
|
-
|
+
|
|
| 5. | 831 ? 322 = 1.153 |
-
|
×
|
+
|
|
| 6. | 449 ? 73 = 522 |
×
|
-
|
+
|
|
| 7. | 222 ? 82 = 304 |
-
|
+
|
×
|
|
| 8. | 658 ? 203 = 455 |
-
|
×
|
+
|
|
| 9. | 20 ? 15 = 300 |
-
|
×
|
+
|
|
| 10. | 807 ? 170 = 637 |
-
|
+
|
×
|
|
| 11. | 841 ? 90 = 931 |
-
|
×
|
+
|
|
| 12. | 613 ? 549 = 1.162 |
-
|
+
|
×
|
|