| Oefening 1 | |||||
| 1. | 16 ? 14 = 224 |
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×
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| 2. | 18 ? 15 = 270 |
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×
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| 3. | 780 ? 279 = 1.059 |
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| 4. | 14 ? 10 = 140 |
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| 5. | 967 ? 812 = 1.779 |
×
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| 6. | 19 ? 11 = 209 |
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×
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| 7. | 14 ? 14 = 196 |
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×
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| 8. | 13 ? 10 = 130 |
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| 9. | 18 ? 18 = 324 |
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| 10. | 13 ? 11 = 143 |
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| 11. | 530 ? 206 = 736 |
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×
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| 12. | 19 ? 14 = 266 |
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×
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+
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|
| Oefening 1 | |||||
| 1. | 16 ? 14 = 224 |
-
|
+
|
×
|
|
| 2. | 18 ? 15 = 270 |
+
|
-
|
×
|
|
| 3. | 780 ? 279 = 1.059 |
-
|
+
|
×
|
|
| 4. | 14 ? 10 = 140 |
×
|
+
|
-
|
|
| 5. | 967 ? 812 = 1.779 |
×
|
-
|
+
|
|
| 6. | 19 ? 11 = 209 |
-
|
×
|
+
|
|
| 7. | 14 ? 14 = 196 |
+
|
-
|
×
|
|
| 8. | 13 ? 10 = 130 |
×
|
+
|
-
|
|
| 9. | 18 ? 18 = 324 |
+
|
×
|
-
|
|
| 10. | 13 ? 11 = 143 |
-
|
×
|
+
|
|
| 11. | 530 ? 206 = 736 |
-
|
+
|
×
|
|
| 12. | 19 ? 14 = 266 |
-
|
×
|
+
|
|