| Oefening 1 | |||||
| 1. | 58 ? 43 = 15 |
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×
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| 2. | 78 ? 67 = 145 |
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×
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| 3. | 85 ? 25 = 60 |
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×
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| 4. | 92 ? 25 = 67 |
×
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| 5. | 80 ? 36 = 116 |
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×
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| 6. | 99 ? 81 = 18 |
×
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| 7. | 96 ? 85 = 11 |
×
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| 8. | 96 ? 19 = 77 |
×
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| 9. | 9 ? 6 = 54 |
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×
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| 10. | 20 ? 18 = 38 |
×
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| 11. | 52 ? 44 = 8 |
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×
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+
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| 12. | 2 ? 1 = 2 |
×
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-
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+
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|
| Oefening 1 | |||||
| 1. | 58 ? 43 = 15 |
+
|
-
|
×
|
|
| 2. | 78 ? 67 = 145 |
+
|
×
|
-
|
|
| 3. | 85 ? 25 = 60 |
+
|
-
|
×
|
|
| 4. | 92 ? 25 = 67 |
×
|
+
|
-
|
|
| 5. | 80 ? 36 = 116 |
+
|
×
|
-
|
|
| 6. | 99 ? 81 = 18 |
×
|
+
|
-
|
|
| 7. | 96 ? 85 = 11 |
×
|
-
|
+
|
|
| 8. | 96 ? 19 = 77 |
×
|
+
|
-
|
|
| 9. | 9 ? 6 = 54 |
+
|
-
|
×
|
|
| 10. | 20 ? 18 = 38 |
×
|
+
|
-
|
|
| 11. | 52 ? 44 = 8 |
-
|
×
|
+
|
|
| 12. | 2 ? 1 = 2 |
×
|
-
|
+
|
|