Oefening 1 | |||||
1. | 7 ? 2 = 14 |
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2. | 9 ? 7 = 63 |
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3. | 68 ? 67 = 135 |
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4. | 95 ? 26 = 69 |
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5. | 7 ? 4 = 28 |
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6. | 56 ? 51 = 107 |
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7. | 54 ? 30 = 84 |
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8. | 84 ? 17 = 67 |
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9. | 87 ? 33 = 54 |
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10. | 84 ? 35 = 119 |
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11. | 69 ? 26 = 95 |
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12. | 10 ? 9 = 90 |
×
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Oefening 1 | |||||
1. | 7 ? 2 = 14 |
-
|
+
|
×
|
|
2. | 9 ? 7 = 63 |
+
|
-
|
×
|
|
3. | 68 ? 67 = 135 |
×
|
-
|
+
|
|
4. | 95 ? 26 = 69 |
×
|
-
|
+
|
|
5. | 7 ? 4 = 28 |
×
|
+
|
-
|
|
6. | 56 ? 51 = 107 |
-
|
×
|
+
|
|
7. | 54 ? 30 = 84 |
×
|
-
|
+
|
|
8. | 84 ? 17 = 67 |
-
|
+
|
×
|
|
9. | 87 ? 33 = 54 |
+
|
-
|
×
|
|
10. | 84 ? 35 = 119 |
×
|
+
|
-
|
|
11. | 69 ? 26 = 95 |
+
|
×
|
-
|
|
12. | 10 ? 9 = 90 |
×
|
-
|
+
|