| Oefening 1 | |||||
| 1. | 68 ? 51 = 119 |
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| 2. | 9 ? 8 = 72 |
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| 3. | 10 ? 7 = 70 |
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| 4. | 156 ? 144 = 300 |
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| 5. | 137 ? 75 = 212 |
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| 6. | 107 ? 104 = 211 |
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| 7. | 181 ? 158 = 23 |
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| 8. | 10 ? 7 = 70 |
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| 9. | 14 ? 5 = 70 |
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| 10. | 163 ? 65 = 98 |
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| 11. | 13 ? 5 = 65 |
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| 12. | 10 ? 6 = 60 |
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×
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+
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| Oefening 1 | |||||
| 1. | 68 ? 51 = 119 |
×
|
-
|
+
|
|
| 2. | 9 ? 8 = 72 |
×
|
+
|
-
|
|
| 3. | 10 ? 7 = 70 |
-
|
×
|
+
|
|
| 4. | 156 ? 144 = 300 |
-
|
+
|
×
|
|
| 5. | 137 ? 75 = 212 |
-
|
+
|
×
|
|
| 6. | 107 ? 104 = 211 |
+
|
×
|
-
|
|
| 7. | 181 ? 158 = 23 |
×
|
+
|
-
|
|
| 8. | 10 ? 7 = 70 |
+
|
-
|
×
|
|
| 9. | 14 ? 5 = 70 |
-
|
×
|
+
|
|
| 10. | 163 ? 65 = 98 |
-
|
×
|
+
|
|
| 11. | 13 ? 5 = 65 |
×
|
+
|
-
|
|
| 12. | 10 ? 6 = 60 |
-
|
×
|
+
|
|