| Oefening 1 | |||||
| 1. | 20 ? 16 = 320 |
+
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×
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| 2. | 20 ? 14 = 280 |
×
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+
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| 3. | 16 ? 14 = 224 |
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+
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×
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| 4. | 19 ? 10 = 190 |
+
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×
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| 5. | 610 ? 238 = 848 |
+
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×
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| 6. | 204 ? 149 = 55 |
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×
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+
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| 7. | 721 ? 431 = 290 |
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+
|
×
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| 8. | 13 ? 11 = 143 |
×
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+
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| 9. | 15 ? 10 = 150 |
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|
+
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×
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| 10. | 20 ? 16 = 320 |
+
|
-
|
×
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| 11. | 755 ? 346 = 1.101 |
×
|
-
|
+
|
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| 12. | 659 ? 471 = 1.130 |
×
|
-
|
+
|
|
| Oefening 1 | |||||
| 1. | 20 ? 16 = 320 |
+
|
-
|
×
|
|
| 2. | 20 ? 14 = 280 |
×
|
-
|
+
|
|
| 3. | 16 ? 14 = 224 |
-
|
+
|
×
|
|
| 4. | 19 ? 10 = 190 |
+
|
×
|
-
|
|
| 5. | 610 ? 238 = 848 |
+
|
×
|
-
|
|
| 6. | 204 ? 149 = 55 |
-
|
×
|
+
|
|
| 7. | 721 ? 431 = 290 |
-
|
+
|
×
|
|
| 8. | 13 ? 11 = 143 |
×
|
-
|
+
|
|
| 9. | 15 ? 10 = 150 |
-
|
+
|
×
|
|
| 10. | 20 ? 16 = 320 |
+
|
-
|
×
|
|
| 11. | 755 ? 346 = 1.101 |
×
|
-
|
+
|
|
| 12. | 659 ? 471 = 1.130 |
×
|
-
|
+
|
|