| Oefening 1 | |||||
| 1. | 309 ? 159 = 468 |
×
|
-
|
+
|
|
| 2. | 18 ? 15 = 270 |
+
|
-
|
×
|
|
| 3. | 853 ? 226 = 1.079 |
-
|
+
|
×
|
|
| 4. | 20 ? 18 = 360 |
-
|
×
|
+
|
|
| 5. | 646 ? 292 = 938 |
-
|
+
|
×
|
|
| 6. | 758 ? 515 = 1.273 |
+
|
×
|
-
|
|
| 7. | 298 ? 80 = 378 |
+
|
-
|
×
|
|
| 8. | 142 ? 124 = 266 |
×
|
-
|
+
|
|
| 9. | 18 ? 16 = 288 |
×
|
-
|
+
|
|
| 10. | 950 ? 843 = 1.793 |
×
|
-
|
+
|
|
| 11. | 517 ? 478 = 995 |
×
|
+
|
-
|
|
| 12. | 18 ? 12 = 216 |
×
|
-
|
+
|
|
| Oefening 1 | |||||
| 1. | 309 ? 159 = 468 |
×
|
-
|
+
|
|
| 2. | 18 ? 15 = 270 |
+
|
-
|
×
|
|
| 3. | 853 ? 226 = 1.079 |
-
|
+
|
×
|
|
| 4. | 20 ? 18 = 360 |
-
|
×
|
+
|
|
| 5. | 646 ? 292 = 938 |
-
|
+
|
×
|
|
| 6. | 758 ? 515 = 1.273 |
+
|
×
|
-
|
|
| 7. | 298 ? 80 = 378 |
+
|
-
|
×
|
|
| 8. | 142 ? 124 = 266 |
×
|
-
|
+
|
|
| 9. | 18 ? 16 = 288 |
×
|
-
|
+
|
|
| 10. | 950 ? 843 = 1.793 |
×
|
-
|
+
|
|
| 11. | 517 ? 478 = 995 |
×
|
+
|
-
|
|
| 12. | 18 ? 12 = 216 |
×
|
-
|
+
|
|