| Oefening 1 | |||||
| 1. | 190 ? 121 = 311 |
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×
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| 2. | 15 ? 9 = 135 |
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×
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| 3. | 197 ? 169 = 366 |
×
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| 4. | 12 ? 9 = 108 |
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×
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| 5. | 12 ? 11 = 132 |
×
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| 6. | 163 ? 154 = 317 |
×
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| 7. | 117 ? 74 = 43 |
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×
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| 8. | 176 ? 85 = 91 |
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×
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| 9. | 181 ? 177 = 4 |
×
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| 10. | 13 ? 8 = 104 |
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×
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| 11. | 10 ? 6 = 60 |
×
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+
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| 12. | 13 ? 11 = 143 |
-
|
×
|
+
|
|
| Oefening 1 | |||||
| 1. | 190 ? 121 = 311 |
+
|
×
|
-
|
|
| 2. | 15 ? 9 = 135 |
-
|
×
|
+
|
|
| 3. | 197 ? 169 = 366 |
×
|
-
|
+
|
|
| 4. | 12 ? 9 = 108 |
+
|
-
|
×
|
|
| 5. | 12 ? 11 = 132 |
×
|
-
|
+
|
|
| 6. | 163 ? 154 = 317 |
×
|
+
|
-
|
|
| 7. | 117 ? 74 = 43 |
-
|
×
|
+
|
|
| 8. | 176 ? 85 = 91 |
-
|
+
|
×
|
|
| 9. | 181 ? 177 = 4 |
×
|
+
|
-
|
|
| 10. | 13 ? 8 = 104 |
+
|
-
|
×
|
|
| 11. | 10 ? 6 = 60 |
×
|
+
|
-
|
|
| 12. | 13 ? 11 = 143 |
-
|
×
|
+
|
|