| Oefening 1 | |||||
| 1. | 189 ? 86 = 275 |
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| 2. | 124 ? 55 = 69 |
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| 3. | 13 ? 10 = 130 |
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| 4. | 11 ? 6 = 66 |
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| 5. | 154 ? 100 = 254 |
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| 6. | 14 ? 12 = 168 |
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×
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| 7. | 178 ? 165 = 13 |
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| 8. | 111 ? 69 = 180 |
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| 9. | 186 ? 114 = 72 |
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| 10. | 184 ? 154 = 30 |
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×
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| 11. | 13 ? 5 = 65 |
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×
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| 12. | 15 ? 10 = 150 |
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×
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+
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| Oefening 1 | |||||
| 1. | 189 ? 86 = 275 |
×
|
-
|
+
|
|
| 2. | 124 ? 55 = 69 |
+
|
×
|
-
|
|
| 3. | 13 ? 10 = 130 |
+
|
-
|
×
|
|
| 4. | 11 ? 6 = 66 |
-
|
+
|
×
|
|
| 5. | 154 ? 100 = 254 |
×
|
-
|
+
|
|
| 6. | 14 ? 12 = 168 |
-
|
+
|
×
|
|
| 7. | 178 ? 165 = 13 |
×
|
-
|
+
|
|
| 8. | 111 ? 69 = 180 |
-
|
+
|
×
|
|
| 9. | 186 ? 114 = 72 |
×
|
-
|
+
|
|
| 10. | 184 ? 154 = 30 |
+
|
×
|
-
|
|
| 11. | 13 ? 5 = 65 |
+
|
-
|
×
|
|
| 12. | 15 ? 10 = 150 |
-
|
×
|
+
|
|