Oefening 1 | |||||
1. | 3 ? 2 = 6 |
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2. | 6 ? 2 = 12 |
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3. | 77 ? 15 = 62 |
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4. | 73 ? 62 = 11 |
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5. | 85 ? 80 = 5 |
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6. | 94 ? 84 = 10 |
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7. | 34 ? 21 = 13 |
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8. | 2 ? 1 = 2 |
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9. | 68 ? 45 = 23 |
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10. | 10 ? 6 = 60 |
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11. | 89 ? 21 = 110 |
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12. | 99 ? 60 = 39 |
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×
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Oefening 1 | |||||
1. | 3 ? 2 = 6 |
×
|
+
|
-
|
|
2. | 6 ? 2 = 12 |
-
|
×
|
+
|
|
3. | 77 ? 15 = 62 |
-
|
+
|
×
|
|
4. | 73 ? 62 = 11 |
-
|
×
|
+
|
|
5. | 85 ? 80 = 5 |
+
|
×
|
-
|
|
6. | 94 ? 84 = 10 |
+
|
-
|
×
|
|
7. | 34 ? 21 = 13 |
×
|
-
|
+
|
|
8. | 2 ? 1 = 2 |
+
|
×
|
-
|
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9. | 68 ? 45 = 23 |
+
|
-
|
×
|
|
10. | 10 ? 6 = 60 |
×
|
-
|
+
|
|
11. | 89 ? 21 = 110 |
-
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×
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+
|
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12. | 99 ? 60 = 39 |
+
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×
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-
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