| Oefening 1 | |||||
| 1. | 115 ? 58 = 173 |
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×
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| 2. | 178 ? 90 = 88 |
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| 3. | 86 ? 81 = 167 |
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| 4. | 9 ? 8 = 72 |
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×
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| 5. | 188 ? 175 = 13 |
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×
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| 6. | 5 ? 5 = 25 |
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| 7. | 8 ? 6 = 48 |
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×
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| 8. | 149 ? 122 = 27 |
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| 9. | 158 ? 67 = 91 |
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| 10. | 15 ? 12 = 180 |
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| 11. | 197 ? 155 = 42 |
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×
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| 12. | 14 ? 6 = 84 |
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×
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+
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|
| Oefening 1 | |||||
| 1. | 115 ? 58 = 173 |
+
|
×
|
-
|
|
| 2. | 178 ? 90 = 88 |
×
|
-
|
+
|
|
| 3. | 86 ? 81 = 167 |
+
|
×
|
-
|
|
| 4. | 9 ? 8 = 72 |
+
|
-
|
×
|
|
| 5. | 188 ? 175 = 13 |
+
|
×
|
-
|
|
| 6. | 5 ? 5 = 25 |
×
|
+
|
-
|
|
| 7. | 8 ? 6 = 48 |
+
|
×
|
-
|
|
| 8. | 149 ? 122 = 27 |
×
|
+
|
-
|
|
| 9. | 158 ? 67 = 91 |
-
|
×
|
+
|
|
| 10. | 15 ? 12 = 180 |
×
|
-
|
+
|
|
| 11. | 197 ? 155 = 42 |
+
|
-
|
×
|
|
| 12. | 14 ? 6 = 84 |
-
|
×
|
+
|
|