| Oefening 1 | |||||
| 1. | 62 ? 10 = 72 |
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| 2. | 9 ? 8 = 72 |
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| 3. | 6 ? 2 = 12 |
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| 4. | 100 ? 52 = 152 |
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×
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| 5. | 3 ? 1 = 3 |
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| 6. | 77 ? 65 = 12 |
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×
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| 7. | 79 ? 50 = 29 |
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×
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| 8. | 83 ? 78 = 161 |
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| 9. | 58 ? 18 = 76 |
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| 10. | 73 ? 12 = 61 |
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| 11. | 9 ? 4 = 36 |
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| 12. | 8 ? 3 = 24 |
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×
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| Oefening 1 | |||||
| 1. | 62 ? 10 = 72 |
+
|
×
|
-
|
|
| 2. | 9 ? 8 = 72 |
+
|
-
|
×
|
|
| 3. | 6 ? 2 = 12 |
+
|
-
|
×
|
|
| 4. | 100 ? 52 = 152 |
-
|
+
|
×
|
|
| 5. | 3 ? 1 = 3 |
×
|
+
|
-
|
|
| 6. | 77 ? 65 = 12 |
+
|
-
|
×
|
|
| 7. | 79 ? 50 = 29 |
-
|
+
|
×
|
|
| 8. | 83 ? 78 = 161 |
×
|
+
|
-
|
|
| 9. | 58 ? 18 = 76 |
×
|
-
|
+
|
|
| 10. | 73 ? 12 = 61 |
-
|
+
|
×
|
|
| 11. | 9 ? 4 = 36 |
×
|
+
|
-
|
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| 12. | 8 ? 3 = 24 |
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+
|
×
|
|