| Oefening 1 | |||||
| 1. | 15 ? 11 = 165 |
×
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| 2. | 173 ? 153 = 326 |
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×
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| 3. | 146 ? 51 = 95 |
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×
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| 4. | 171 ? 104 = 67 |
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×
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| 5. | 12 ? 10 = 120 |
×
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+
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| 6. | 12 ? 8 = 96 |
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×
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+
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| 7. | 82 ? 80 = 162 |
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×
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+
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| 8. | 77 ? 61 = 138 |
×
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+
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| 9. | 177 ? 57 = 120 |
+
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×
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| 10. | 13 ? 9 = 117 |
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+
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×
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| 11. | 76 ? 64 = 12 |
+
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×
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| 12. | 64 ? 55 = 9 |
+
|
×
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-
|
|
| Oefening 1 | |||||
| 1. | 15 ? 11 = 165 |
×
|
+
|
-
|
|
| 2. | 173 ? 153 = 326 |
+
|
-
|
×
|
|
| 3. | 146 ? 51 = 95 |
-
|
+
|
×
|
|
| 4. | 171 ? 104 = 67 |
-
|
+
|
×
|
|
| 5. | 12 ? 10 = 120 |
×
|
-
|
+
|
|
| 6. | 12 ? 8 = 96 |
-
|
×
|
+
|
|
| 7. | 82 ? 80 = 162 |
-
|
×
|
+
|
|
| 8. | 77 ? 61 = 138 |
×
|
-
|
+
|
|
| 9. | 177 ? 57 = 120 |
+
|
×
|
-
|
|
| 10. | 13 ? 9 = 117 |
-
|
+
|
×
|
|
| 11. | 76 ? 64 = 12 |
+
|
-
|
×
|
|
| 12. | 64 ? 55 = 9 |
+
|
×
|
-
|
|