| Oefening 1 | |||||
| 1. | 69 ? 34 = 35 |
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×
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| 2. | 8 ? 7 = 56 |
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×
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| 3. | 88 ? 24 = 112 |
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×
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| 4. | 7 ? 7 = 49 |
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×
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| 5. | 65 ? 25 = 90 |
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×
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| 6. | 86 ? 70 = 16 |
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×
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| 7. | 6 ? 5 = 30 |
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×
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| 8. | 19 ? 14 = 33 |
×
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| 9. | 42 ? 27 = 69 |
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×
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| 10. | 34 ? 27 = 61 |
×
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| 11. | 4 ? 1 = 4 |
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×
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| 12. | 72 ? 37 = 109 |
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×
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+
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|
| Oefening 1 | |||||
| 1. | 69 ? 34 = 35 |
+
|
-
|
×
|
|
| 2. | 8 ? 7 = 56 |
-
|
+
|
×
|
|
| 3. | 88 ? 24 = 112 |
+
|
×
|
-
|
|
| 4. | 7 ? 7 = 49 |
-
|
×
|
+
|
|
| 5. | 65 ? 25 = 90 |
+
|
×
|
-
|
|
| 6. | 86 ? 70 = 16 |
+
|
-
|
×
|
|
| 7. | 6 ? 5 = 30 |
-
|
×
|
+
|
|
| 8. | 19 ? 14 = 33 |
×
|
-
|
+
|
|
| 9. | 42 ? 27 = 69 |
+
|
×
|
-
|
|
| 10. | 34 ? 27 = 61 |
×
|
-
|
+
|
|
| 11. | 4 ? 1 = 4 |
+
|
-
|
×
|
|
| 12. | 72 ? 37 = 109 |
-
|
×
|
+
|
|