| Oefening 1 | |||||
| 1. | 11 ? 7 = 77 |
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×
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| 2. | 129 ? 104 = 233 |
×
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+
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| 3. | 14 ? 10 = 140 |
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×
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| 4. | 127 ? 52 = 179 |
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×
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+
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| 5. | 15 ? 6 = 90 |
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×
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| 6. | 14 ? 6 = 84 |
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×
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+
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| 7. | 11 ? 9 = 99 |
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×
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+
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| 8. | 13 ? 5 = 65 |
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+
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×
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| 9. | 169 ? 100 = 69 |
+
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×
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| 10. | 150 ? 139 = 289 |
×
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+
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| 11. | 184 ? 103 = 81 |
+
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-
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×
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| 12. | 155 ? 126 = 29 |
+
|
-
|
×
|
|
| Oefening 1 | |||||
| 1. | 11 ? 7 = 77 |
+
|
×
|
-
|
|
| 2. | 129 ? 104 = 233 |
×
|
-
|
+
|
|
| 3. | 14 ? 10 = 140 |
+
|
×
|
-
|
|
| 4. | 127 ? 52 = 179 |
-
|
×
|
+
|
|
| 5. | 15 ? 6 = 90 |
+
|
×
|
-
|
|
| 6. | 14 ? 6 = 84 |
-
|
×
|
+
|
|
| 7. | 11 ? 9 = 99 |
-
|
×
|
+
|
|
| 8. | 13 ? 5 = 65 |
-
|
+
|
×
|
|
| 9. | 169 ? 100 = 69 |
+
|
-
|
×
|
|
| 10. | 150 ? 139 = 289 |
×
|
-
|
+
|
|
| 11. | 184 ? 103 = 81 |
+
|
-
|
×
|
|
| 12. | 155 ? 126 = 29 |
+
|
-
|
×
|
|