| Oefening 1 | |||||
| 1. | 118 ? 108 = 10 |
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| 2. | 187 ? 118 = 69 |
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| 3. | 9 ? 8 = 72 |
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| 4. | 13 ? 9 = 117 |
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| 5. | 9 ? 5 = 45 |
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| 6. | 7 ? 6 = 42 |
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| 7. | 182 ? 72 = 254 |
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| 8. | 11 ? 9 = 99 |
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| 9. | 14 ? 13 = 182 |
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| 10. | 142 ? 96 = 46 |
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| 11. | 14 ? 10 = 140 |
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| 12. | 104 ? 100 = 4 |
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×
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+
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| Oefening 1 | |||||
| 1. | 118 ? 108 = 10 |
×
|
-
|
+
|
|
| 2. | 187 ? 118 = 69 |
×
|
+
|
-
|
|
| 3. | 9 ? 8 = 72 |
+
|
-
|
×
|
|
| 4. | 13 ? 9 = 117 |
+
|
×
|
-
|
|
| 5. | 9 ? 5 = 45 |
×
|
-
|
+
|
|
| 6. | 7 ? 6 = 42 |
+
|
-
|
×
|
|
| 7. | 182 ? 72 = 254 |
-
|
×
|
+
|
|
| 8. | 11 ? 9 = 99 |
×
|
+
|
-
|
|
| 9. | 14 ? 13 = 182 |
×
|
-
|
+
|
|
| 10. | 142 ? 96 = 46 |
+
|
-
|
×
|
|
| 11. | 14 ? 10 = 140 |
+
|
-
|
×
|
|
| 12. | 104 ? 100 = 4 |
-
|
×
|
+
|
|