Oefening 1 | |||||
1. | 44 ? 27 = 17 |
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2. | 9 ? 3 = 27 |
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3. | 9 ? 6 = 54 |
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4. | 67 ? 61 = 6 |
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5. | 76 ? 20 = 56 |
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6. | 57 ? 25 = 32 |
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7. | 42 ? 26 = 68 |
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8. | 59 ? 33 = 92 |
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9. | 4 ? 1 = 4 |
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10. | 7 ? 4 = 28 |
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11. | 32 ? 14 = 46 |
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12. | 80 ? 74 = 154 |
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Oefening 1 | |||||
1. | 44 ? 27 = 17 |
+
|
-
|
×
|
|
2. | 9 ? 3 = 27 |
×
|
+
|
-
|
|
3. | 9 ? 6 = 54 |
-
|
×
|
+
|
|
4. | 67 ? 61 = 6 |
+
|
-
|
×
|
|
5. | 76 ? 20 = 56 |
+
|
-
|
×
|
|
6. | 57 ? 25 = 32 |
×
|
+
|
-
|
|
7. | 42 ? 26 = 68 |
×
|
+
|
-
|
|
8. | 59 ? 33 = 92 |
-
|
+
|
×
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9. | 4 ? 1 = 4 |
×
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+
|
-
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10. | 7 ? 4 = 28 |
+
|
×
|
-
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11. | 32 ? 14 = 46 |
+
|
×
|
-
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12. | 80 ? 74 = 154 |
×
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