| Oefening 1 | |||||
| 1. | 20 ? 11 = 220 |
×
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+
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| 2. | 14 ? 13 = 182 |
+
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×
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| 3. | 743 ? 649 = 1.392 |
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×
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+
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| 4. | 923 ? 619 = 1.542 |
+
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×
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| 5. | 18 ? 17 = 306 |
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+
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×
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| 6. | 18 ? 16 = 288 |
+
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×
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| 7. | 426 ? 173 = 253 |
×
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+
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| 8. | 923 ? 464 = 459 |
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×
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+
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| 9. | 12 ? 11 = 132 |
×
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+
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| 10. | 14 ? 13 = 182 |
+
|
×
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| 11. | 570 ? 129 = 699 |
×
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-
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+
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| 12. | 19 ? 18 = 342 |
×
|
-
|
+
|
|
| Oefening 1 | |||||
| 1. | 20 ? 11 = 220 |
×
|
+
|
-
|
|
| 2. | 14 ? 13 = 182 |
+
|
-
|
×
|
|
| 3. | 743 ? 649 = 1.392 |
-
|
×
|
+
|
|
| 4. | 923 ? 619 = 1.542 |
+
|
-
|
×
|
|
| 5. | 18 ? 17 = 306 |
-
|
+
|
×
|
|
| 6. | 18 ? 16 = 288 |
+
|
-
|
×
|
|
| 7. | 426 ? 173 = 253 |
×
|
-
|
+
|
|
| 8. | 923 ? 464 = 459 |
-
|
×
|
+
|
|
| 9. | 12 ? 11 = 132 |
×
|
-
|
+
|
|
| 10. | 14 ? 13 = 182 |
+
|
×
|
-
|
|
| 11. | 570 ? 129 = 699 |
×
|
-
|
+
|
|
| 12. | 19 ? 18 = 342 |
×
|
-
|
+
|
|