| Oefening 1 | |||||
| 1. | 157 ? 94 = 63 |
×
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| 2. | 181 ? 85 = 96 |
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+
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×
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| 3. | 10 ? 9 = 90 |
+
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×
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| 4. | 140 ? 81 = 221 |
+
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×
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| 5. | 65 ? 52 = 13 |
×
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+
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| 6. | 192 ? 130 = 322 |
+
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×
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| 7. | 137 ? 89 = 48 |
×
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+
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| 8. | 15 ? 10 = 150 |
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×
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+
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| 9. | 181 ? 80 = 261 |
×
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+
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| 10. | 15 ? 11 = 165 |
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+
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×
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| 11. | 198 ? 191 = 7 |
×
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+
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| 12. | 10 ? 7 = 70 |
×
|
+
|
-
|
|
| Oefening 1 | |||||
| 1. | 157 ? 94 = 63 |
×
|
-
|
+
|
|
| 2. | 181 ? 85 = 96 |
-
|
+
|
×
|
|
| 3. | 10 ? 9 = 90 |
+
|
×
|
-
|
|
| 4. | 140 ? 81 = 221 |
+
|
-
|
×
|
|
| 5. | 65 ? 52 = 13 |
×
|
+
|
-
|
|
| 6. | 192 ? 130 = 322 |
+
|
×
|
-
|
|
| 7. | 137 ? 89 = 48 |
×
|
+
|
-
|
|
| 8. | 15 ? 10 = 150 |
-
|
×
|
+
|
|
| 9. | 181 ? 80 = 261 |
×
|
+
|
-
|
|
| 10. | 15 ? 11 = 165 |
-
|
+
|
×
|
|
| 11. | 198 ? 191 = 7 |
×
|
-
|
+
|
|
| 12. | 10 ? 7 = 70 |
×
|
+
|
-
|
|