| Oefening 1 | |||||
| 1. | 50 ? 19 = 31 |
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| 2. | 82 ? 17 = 99 |
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| 3. | 10 ? 4 = 40 |
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| 4. | 90 ? 79 = 11 |
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| 5. | 6 ? 4 = 24 |
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| 6. | 9 ? 8 = 72 |
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| 7. | 10 ? 5 = 50 |
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| 8. | 70 ? 54 = 16 |
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| 9. | 2 ? 1 = 2 |
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| 10. | 100 ? 37 = 63 |
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| 11. | 6 ? 4 = 24 |
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| 12. | 42 ? 33 = 9 |
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×
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| Oefening 1 | |||||
| 1. | 50 ? 19 = 31 |
×
|
-
|
+
|
|
| 2. | 82 ? 17 = 99 |
×
|
-
|
+
|
|
| 3. | 10 ? 4 = 40 |
-
|
×
|
+
|
|
| 4. | 90 ? 79 = 11 |
×
|
+
|
-
|
|
| 5. | 6 ? 4 = 24 |
×
|
+
|
-
|
|
| 6. | 9 ? 8 = 72 |
×
|
+
|
-
|
|
| 7. | 10 ? 5 = 50 |
-
|
×
|
+
|
|
| 8. | 70 ? 54 = 16 |
-
|
×
|
+
|
|
| 9. | 2 ? 1 = 2 |
-
|
+
|
×
|
|
| 10. | 100 ? 37 = 63 |
×
|
+
|
-
|
|
| 11. | 6 ? 4 = 24 |
×
|
+
|
-
|
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| 12. | 42 ? 33 = 9 |
+
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×
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|