| Oefening 1 | |||||
| 1. | 170 ? 137 = 307 |
×
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+
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| 2. | 161 ? 118 = 279 |
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+
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×
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| 3. | 122 ? 91 = 31 |
+
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×
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| 4. | 14 ? 12 = 168 |
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+
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×
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| 5. | 77 ? 77 = 154 |
×
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+
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| 6. | 8 ? 6 = 48 |
×
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+
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| 7. | 15 ? 11 = 165 |
+
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×
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| 8. | 115 ? 85 = 30 |
+
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×
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| 9. | 10 ? 10 = 100 |
×
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+
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| 10. | 14 ? 10 = 140 |
×
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+
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| 11. | 135 ? 79 = 56 |
×
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+
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| 12. | 195 ? 105 = 90 |
×
|
-
|
+
|
|
| Oefening 1 | |||||
| 1. | 170 ? 137 = 307 |
×
|
+
|
-
|
|
| 2. | 161 ? 118 = 279 |
-
|
+
|
×
|
|
| 3. | 122 ? 91 = 31 |
+
|
×
|
-
|
|
| 4. | 14 ? 12 = 168 |
-
|
+
|
×
|
|
| 5. | 77 ? 77 = 154 |
×
|
+
|
-
|
|
| 6. | 8 ? 6 = 48 |
×
|
-
|
+
|
|
| 7. | 15 ? 11 = 165 |
+
|
-
|
×
|
|
| 8. | 115 ? 85 = 30 |
+
|
×
|
-
|
|
| 9. | 10 ? 10 = 100 |
×
|
+
|
-
|
|
| 10. | 14 ? 10 = 140 |
×
|
-
|
+
|
|
| 11. | 135 ? 79 = 56 |
×
|
+
|
-
|
|
| 12. | 195 ? 105 = 90 |
×
|
-
|
+
|
|