| Oefening 1 | |||||
| 1. | 173 ? 66 = 239 |
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×
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| 2. | 163 ? 122 = 41 |
×
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| 3. | 91 ? 71 = 162 |
×
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+
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| 4. | 184 ? 89 = 273 |
+
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×
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| 5. | 10 ? 7 = 70 |
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+
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×
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| 6. | 126 ? 90 = 36 |
+
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×
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| 7. | 12 ? 6 = 72 |
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+
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×
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| 8. | 154 ? 76 = 78 |
×
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+
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| 9. | 9 ? 6 = 54 |
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×
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+
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| 10. | 134 ? 117 = 251 |
×
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+
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| 11. | 123 ? 96 = 219 |
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×
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+
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| 12. | 12 ? 10 = 120 |
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+
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×
|
|
| Oefening 1 | |||||
| 1. | 173 ? 66 = 239 |
-
|
×
|
+
|
|
| 2. | 163 ? 122 = 41 |
×
|
+
|
-
|
|
| 3. | 91 ? 71 = 162 |
×
|
+
|
-
|
|
| 4. | 184 ? 89 = 273 |
+
|
×
|
-
|
|
| 5. | 10 ? 7 = 70 |
-
|
+
|
×
|
|
| 6. | 126 ? 90 = 36 |
+
|
-
|
×
|
|
| 7. | 12 ? 6 = 72 |
-
|
+
|
×
|
|
| 8. | 154 ? 76 = 78 |
×
|
+
|
-
|
|
| 9. | 9 ? 6 = 54 |
-
|
×
|
+
|
|
| 10. | 134 ? 117 = 251 |
×
|
-
|
+
|
|
| 11. | 123 ? 96 = 219 |
-
|
×
|
+
|
|
| 12. | 12 ? 10 = 120 |
-
|
+
|
×
|
|