| Oefening 1 | |||||
| 1. | 120 ? 114 = 6 |
×
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+
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| 2. | 167 ? 78 = 89 |
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+
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×
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| 3. | 138 ? 106 = 244 |
+
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×
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| 4. | 15 ? 9 = 135 |
×
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+
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| 5. | 102 ? 69 = 33 |
+
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×
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| 6. | 14 ? 14 = 196 |
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+
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×
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| 7. | 15 ? 12 = 180 |
+
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×
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| 8. | 183 ? 82 = 265 |
×
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+
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| 9. | 189 ? 140 = 49 |
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+
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×
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| 10. | 175 ? 96 = 271 |
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+
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×
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| 11. | 148 ? 105 = 253 |
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+
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×
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| 12. | 15 ? 7 = 105 |
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|
+
|
×
|
|
| Oefening 1 | |||||
| 1. | 120 ? 114 = 6 |
×
|
-
|
+
|
|
| 2. | 167 ? 78 = 89 |
-
|
+
|
×
|
|
| 3. | 138 ? 106 = 244 |
+
|
×
|
-
|
|
| 4. | 15 ? 9 = 135 |
×
|
-
|
+
|
|
| 5. | 102 ? 69 = 33 |
+
|
-
|
×
|
|
| 6. | 14 ? 14 = 196 |
-
|
+
|
×
|
|
| 7. | 15 ? 12 = 180 |
+
|
-
|
×
|
|
| 8. | 183 ? 82 = 265 |
×
|
-
|
+
|
|
| 9. | 189 ? 140 = 49 |
-
|
+
|
×
|
|
| 10. | 175 ? 96 = 271 |
-
|
+
|
×
|
|
| 11. | 148 ? 105 = 253 |
-
|
+
|
×
|
|
| 12. | 15 ? 7 = 105 |
-
|
+
|
×
|
|