| Oefening 1 | |||||
| 1. | 14 ? 10 = 140 |
×
|
+
|
-
|
|
| 2. | 153 ? 89 = 64 |
-
|
+
|
×
|
|
| 3. | 16 ? 13 = 208 |
+
|
-
|
×
|
|
| 4. | 982 ? 319 = 663 |
+
|
×
|
-
|
|
| 5. | 17 ? 17 = 289 |
-
|
×
|
+
|
|
| 6. | 18 ? 10 = 180 |
×
|
+
|
-
|
|
| 7. | 681 ? 413 = 268 |
-
|
×
|
+
|
|
| 8. | 668 ? 320 = 988 |
×
|
-
|
+
|
|
| 9. | 19 ? 18 = 342 |
-
|
×
|
+
|
|
| 10. | 12 ? 12 = 144 |
×
|
-
|
+
|
|
| 11. | 365 ? 225 = 590 |
×
|
-
|
+
|
|
| 12. | 19 ? 12 = 228 |
×
|
+
|
-
|
|
| Oefening 1 | |||||
| 1. | 14 ? 10 = 140 |
×
|
+
|
-
|
|
| 2. | 153 ? 89 = 64 |
-
|
+
|
×
|
|
| 3. | 16 ? 13 = 208 |
+
|
-
|
×
|
|
| 4. | 982 ? 319 = 663 |
+
|
×
|
-
|
|
| 5. | 17 ? 17 = 289 |
-
|
×
|
+
|
|
| 6. | 18 ? 10 = 180 |
×
|
+
|
-
|
|
| 7. | 681 ? 413 = 268 |
-
|
×
|
+
|
|
| 8. | 668 ? 320 = 988 |
×
|
-
|
+
|
|
| 9. | 19 ? 18 = 342 |
-
|
×
|
+
|
|
| 10. | 12 ? 12 = 144 |
×
|
-
|
+
|
|
| 11. | 365 ? 225 = 590 |
×
|
-
|
+
|
|
| 12. | 19 ? 12 = 228 |
×
|
+
|
-
|
|