| Oefening 1 | |||||
| 1. | 19 ? 12 = 228 |
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| 2. | 20 ? 11 = 220 |
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| 3. | 12 ? 11 = 132 |
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| 4. | 17 ? 10 = 170 |
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×
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| 5. | 18 ? 13 = 234 |
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×
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| 6. | 10 ? 10 = 100 |
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| 7. | 17 ? 10 = 170 |
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×
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| 8. | 640 ? 229 = 411 |
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×
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| 9. | 437 ? 369 = 806 |
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| 10. | 500 ? 360 = 140 |
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×
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| 11. | 597 ? 200 = 797 |
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×
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| 12. | 15 ? 10 = 150 |
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×
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| Oefening 1 | |||||
| 1. | 19 ? 12 = 228 |
-
|
×
|
+
|
|
| 2. | 20 ? 11 = 220 |
+
|
×
|
-
|
|
| 3. | 12 ? 11 = 132 |
-
|
×
|
+
|
|
| 4. | 17 ? 10 = 170 |
-
|
+
|
×
|
|
| 5. | 18 ? 13 = 234 |
-
|
×
|
+
|
|
| 6. | 10 ? 10 = 100 |
×
|
+
|
-
|
|
| 7. | 17 ? 10 = 170 |
+
|
×
|
-
|
|
| 8. | 640 ? 229 = 411 |
+
|
×
|
-
|
|
| 9. | 437 ? 369 = 806 |
×
|
-
|
+
|
|
| 10. | 500 ? 360 = 140 |
+
|
×
|
-
|
|
| 11. | 597 ? 200 = 797 |
-
|
×
|
+
|
|
| 12. | 15 ? 10 = 150 |
+
|
-
|
×
|
|