| Oefening 1 | |||||
| 1. | 138 ? 59 = 79 |
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×
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| 2. | 11 ? 9 = 99 |
×
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| 3. | 165 ? 142 = 307 |
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×
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| 4. | 157 ? 60 = 97 |
×
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| 5. | 180 ? 153 = 27 |
+
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×
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| 6. | 15 ? 11 = 165 |
+
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×
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| 7. | 10 ? 6 = 60 |
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×
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| 8. | 116 ? 93 = 23 |
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×
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| 9. | 159 ? 116 = 43 |
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+
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×
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| 10. | 9 ? 9 = 81 |
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+
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×
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| 11. | 91 ? 85 = 6 |
×
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+
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| 12. | 133 ? 119 = 252 |
×
|
-
|
+
|
|
| Oefening 1 | |||||
| 1. | 138 ? 59 = 79 |
+
|
-
|
×
|
|
| 2. | 11 ? 9 = 99 |
×
|
-
|
+
|
|
| 3. | 165 ? 142 = 307 |
+
|
-
|
×
|
|
| 4. | 157 ? 60 = 97 |
×
|
-
|
+
|
|
| 5. | 180 ? 153 = 27 |
+
|
×
|
-
|
|
| 6. | 15 ? 11 = 165 |
+
|
×
|
-
|
|
| 7. | 10 ? 6 = 60 |
+
|
-
|
×
|
|
| 8. | 116 ? 93 = 23 |
-
|
×
|
+
|
|
| 9. | 159 ? 116 = 43 |
-
|
+
|
×
|
|
| 10. | 9 ? 9 = 81 |
-
|
+
|
×
|
|
| 11. | 91 ? 85 = 6 |
×
|
-
|
+
|
|
| 12. | 133 ? 119 = 252 |
×
|
-
|
+
|
|