Oefening 1 | |||||
1. | 8 ? 4 = 32 |
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2. | 10 ? 5 = 50 |
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3. | 88 ? 83 = 171 |
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4. | 79 ? 33 = 46 |
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5. | 68 ? 18 = 86 |
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6. | 10 ? 2 = 20 |
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7. | 93 ? 28 = 65 |
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8. | 82 ? 19 = 63 |
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9. | 78 ? 52 = 130 |
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10. | 4 ? 2 = 8 |
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11. | 45 ? 32 = 77 |
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12. | 54 ? 13 = 67 |
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Oefening 1 | |||||
1. | 8 ? 4 = 32 |
×
|
-
|
+
|
|
2. | 10 ? 5 = 50 |
+
|
-
|
×
|
|
3. | 88 ? 83 = 171 |
-
|
×
|
+
|
|
4. | 79 ? 33 = 46 |
+
|
-
|
×
|
|
5. | 68 ? 18 = 86 |
+
|
×
|
-
|
|
6. | 10 ? 2 = 20 |
×
|
+
|
-
|
|
7. | 93 ? 28 = 65 |
+
|
-
|
×
|
|
8. | 82 ? 19 = 63 |
+
|
×
|
-
|
|
9. | 78 ? 52 = 130 |
+
|
-
|
×
|
|
10. | 4 ? 2 = 8 |
×
|
+
|
-
|
|
11. | 45 ? 32 = 77 |
×
|
-
|
+
|
|
12. | 54 ? 13 = 67 |
×
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-
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+
|