| Oefening 1 | |||||
| 1. | 9 ? 8 = 72 |
×
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| 2. | 15 ? 13 = 195 |
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| 3. | 13 ? 11 = 143 |
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| 4. | 11 ? 6 = 66 |
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×
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| 5. | 14 ? 6 = 84 |
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×
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| 6. | 13 ? 5 = 65 |
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×
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| 7. | 13 ? 10 = 130 |
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×
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| 8. | 178 ? 97 = 275 |
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| 9. | 175 ? 143 = 32 |
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| 10. | 170 ? 133 = 303 |
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×
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| 11. | 138 ? 120 = 258 |
×
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| 12. | 15 ? 14 = 210 |
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+
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×
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|
| Oefening 1 | |||||
| 1. | 9 ? 8 = 72 |
×
|
+
|
-
|
|
| 2. | 15 ? 13 = 195 |
-
|
×
|
+
|
|
| 3. | 13 ? 11 = 143 |
-
|
+
|
×
|
|
| 4. | 11 ? 6 = 66 |
-
|
+
|
×
|
|
| 5. | 14 ? 6 = 84 |
-
|
+
|
×
|
|
| 6. | 13 ? 5 = 65 |
+
|
×
|
-
|
|
| 7. | 13 ? 10 = 130 |
+
|
-
|
×
|
|
| 8. | 178 ? 97 = 275 |
×
|
+
|
-
|
|
| 9. | 175 ? 143 = 32 |
×
|
+
|
-
|
|
| 10. | 170 ? 133 = 303 |
+
|
×
|
-
|
|
| 11. | 138 ? 120 = 258 |
×
|
+
|
-
|
|
| 12. | 15 ? 14 = 210 |
-
|
+
|
×
|
|