| Oefening 1 | |||||
| 1. | 148 ? 124 = 272 |
×
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| 2. | 177 ? 122 = 299 |
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×
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| 3. | 170 ? 57 = 113 |
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×
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| 4. | 181 ? 55 = 236 |
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| 5. | 177 ? 87 = 264 |
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×
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| 6. | 10 ? 5 = 50 |
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×
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| 7. | 131 ? 91 = 40 |
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| 8. | 11 ? 9 = 99 |
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×
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| 9. | 72 ? 60 = 12 |
×
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| 10. | 165 ? 161 = 4 |
+
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×
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| 11. | 81 ? 68 = 149 |
×
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+
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| 12. | 9 ? 7 = 63 |
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+
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×
|
|
| Oefening 1 | |||||
| 1. | 148 ? 124 = 272 |
×
|
+
|
-
|
|
| 2. | 177 ? 122 = 299 |
+
|
×
|
-
|
|
| 3. | 170 ? 57 = 113 |
+
|
×
|
-
|
|
| 4. | 181 ? 55 = 236 |
×
|
-
|
+
|
|
| 5. | 177 ? 87 = 264 |
+
|
×
|
-
|
|
| 6. | 10 ? 5 = 50 |
-
|
×
|
+
|
|
| 7. | 131 ? 91 = 40 |
×
|
-
|
+
|
|
| 8. | 11 ? 9 = 99 |
+
|
×
|
-
|
|
| 9. | 72 ? 60 = 12 |
×
|
-
|
+
|
|
| 10. | 165 ? 161 = 4 |
+
|
×
|
-
|
|
| 11. | 81 ? 68 = 149 |
×
|
-
|
+
|
|
| 12. | 9 ? 7 = 63 |
-
|
+
|
×
|
|