| Oefening 1 | |||||
| 1. | 129 ? 111 = 18 |
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| 2. | 13 ? 8 = 104 |
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| 3. | 15 ? 7 = 105 |
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| 4. | 166 ? 133 = 299 |
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×
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| 5. | 147 ? 79 = 226 |
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| 6. | 15 ? 14 = 210 |
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| 7. | 165 ? 125 = 40 |
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| 8. | 9 ? 7 = 63 |
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×
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| 9. | 6 ? 6 = 36 |
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| 10. | 11 ? 8 = 88 |
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×
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| 11. | 12 ? 6 = 72 |
×
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| 12. | 9 ? 6 = 54 |
×
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+
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|
| Oefening 1 | |||||
| 1. | 129 ? 111 = 18 |
×
|
+
|
-
|
|
| 2. | 13 ? 8 = 104 |
-
|
×
|
+
|
|
| 3. | 15 ? 7 = 105 |
+
|
×
|
-
|
|
| 4. | 166 ? 133 = 299 |
-
|
+
|
×
|
|
| 5. | 147 ? 79 = 226 |
-
|
×
|
+
|
|
| 6. | 15 ? 14 = 210 |
×
|
-
|
+
|
|
| 7. | 165 ? 125 = 40 |
×
|
+
|
-
|
|
| 8. | 9 ? 7 = 63 |
+
|
×
|
-
|
|
| 9. | 6 ? 6 = 36 |
×
|
-
|
+
|
|
| 10. | 11 ? 8 = 88 |
-
|
+
|
×
|
|
| 11. | 12 ? 6 = 72 |
×
|
-
|
+
|
|
| 12. | 9 ? 6 = 54 |
×
|
+
|
-
|
|