| Oefening 1 | |||||
| 1. | 20 ? 10 = 200 |
×
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-
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+
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| 2. | 316 ? 312 = 628 |
+
|
×
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-
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| 3. | 15 ? 11 = 165 |
+
|
×
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-
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| 4. | 20 ? 19 = 380 |
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|
×
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+
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| 5. | 898 ? 826 = 72 |
+
|
×
|
-
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| 6. | 16 ? 15 = 240 |
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|
+
|
×
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| 7. | 727 ? 545 = 182 |
×
|
+
|
-
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| 8. | 433 ? 311 = 744 |
+
|
-
|
×
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| 9. | 614 ? 373 = 987 |
×
|
+
|
-
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| 10. | 993 ? 872 = 1.865 |
+
|
×
|
-
|
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| 11. | 621 ? 143 = 764 |
+
|
-
|
×
|
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| 12. | 671 ? 496 = 1.167 |
-
|
+
|
×
|
|
| Oefening 1 | |||||
| 1. | 20 ? 10 = 200 |
×
|
-
|
+
|
|
| 2. | 316 ? 312 = 628 |
+
|
×
|
-
|
|
| 3. | 15 ? 11 = 165 |
+
|
×
|
-
|
|
| 4. | 20 ? 19 = 380 |
-
|
×
|
+
|
|
| 5. | 898 ? 826 = 72 |
+
|
×
|
-
|
|
| 6. | 16 ? 15 = 240 |
-
|
+
|
×
|
|
| 7. | 727 ? 545 = 182 |
×
|
+
|
-
|
|
| 8. | 433 ? 311 = 744 |
+
|
-
|
×
|
|
| 9. | 614 ? 373 = 987 |
×
|
+
|
-
|
|
| 10. | 993 ? 872 = 1.865 |
+
|
×
|
-
|
|
| 11. | 621 ? 143 = 764 |
+
|
-
|
×
|
|
| 12. | 671 ? 496 = 1.167 |
-
|
+
|
×
|
|