Oefening 1 | |||||
1. | 20 ? 14 = 6 |
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2. | 90 ? 25 = 65 |
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3. | 86 ? 27 = 113 |
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4. | 7 ? 3 = 21 |
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5. | 69 ? 31 = 100 |
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6. | 6 ? 2 = 12 |
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7. | 58 ? 19 = 77 |
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8. | 47 ? 34 = 81 |
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9. | 9 ? 5 = 45 |
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10. | 5 ? 3 = 15 |
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11. | 72 ? 47 = 25 |
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12. | 45 ? 35 = 80 |
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Oefening 1 | |||||
1. | 20 ? 14 = 6 |
-
|
+
|
×
|
|
2. | 90 ? 25 = 65 |
×
|
+
|
-
|
|
3. | 86 ? 27 = 113 |
+
|
-
|
×
|
|
4. | 7 ? 3 = 21 |
-
|
+
|
×
|
|
5. | 69 ? 31 = 100 |
-
|
×
|
+
|
|
6. | 6 ? 2 = 12 |
+
|
×
|
-
|
|
7. | 58 ? 19 = 77 |
+
|
×
|
-
|
|
8. | 47 ? 34 = 81 |
-
|
×
|
+
|
|
9. | 9 ? 5 = 45 |
-
|
+
|
×
|
|
10. | 5 ? 3 = 15 |
+
|
-
|
×
|
|
11. | 72 ? 47 = 25 |
×
|
-
|
+
|
|
12. | 45 ? 35 = 80 |
×
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+
|
-
|