| Oefening 1 | |||||
| 1. | 11 ? 9 = 99 |
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×
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| 2. | 189 ? 135 = 324 |
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×
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| 3. | 103 ? 91 = 12 |
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×
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| 4. | 11 ? 10 = 110 |
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×
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| 5. | 12 ? 12 = 144 |
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×
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| 6. | 12 ? 6 = 72 |
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×
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| 7. | 90 ? 70 = 160 |
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×
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| 8. | 158 ? 117 = 275 |
×
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| 9. | 14 ? 8 = 112 |
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×
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| 10. | 140 ? 51 = 191 |
×
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| 11. | 8 ? 6 = 48 |
+
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×
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| 12. | 13 ? 6 = 78 |
×
|
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+
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|
| Oefening 1 | |||||
| 1. | 11 ? 9 = 99 |
-
|
+
|
×
|
|
| 2. | 189 ? 135 = 324 |
+
|
×
|
-
|
|
| 3. | 103 ? 91 = 12 |
-
|
×
|
+
|
|
| 4. | 11 ? 10 = 110 |
-
|
×
|
+
|
|
| 5. | 12 ? 12 = 144 |
-
|
×
|
+
|
|
| 6. | 12 ? 6 = 72 |
-
|
+
|
×
|
|
| 7. | 90 ? 70 = 160 |
-
|
+
|
×
|
|
| 8. | 158 ? 117 = 275 |
×
|
-
|
+
|
|
| 9. | 14 ? 8 = 112 |
+
|
-
|
×
|
|
| 10. | 140 ? 51 = 191 |
×
|
+
|
-
|
|
| 11. | 8 ? 6 = 48 |
+
|
×
|
-
|
|
| 12. | 13 ? 6 = 78 |
×
|
-
|
+
|
|