| Oefening 1 | |||||
| 1. | 138 ? 135 = 273 |
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| 2. | 187 ? 171 = 16 |
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| 3. | 178 ? 140 = 318 |
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| 4. | 10 ? 7 = 70 |
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| 5. | 134 ? 114 = 248 |
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| 6. | 103 ? 57 = 160 |
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×
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| 7. | 13 ? 8 = 104 |
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×
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| 8. | 15 ? 5 = 75 |
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| 9. | 184 ? 163 = 347 |
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| 10. | 13 ? 9 = 117 |
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| 11. | 131 ? 101 = 30 |
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| 12. | 13 ? 8 = 104 |
×
|
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|
+
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|
| Oefening 1 | |||||
| 1. | 138 ? 135 = 273 |
×
|
-
|
+
|
|
| 2. | 187 ? 171 = 16 |
-
|
×
|
+
|
|
| 3. | 178 ? 140 = 318 |
×
|
-
|
+
|
|
| 4. | 10 ? 7 = 70 |
×
|
-
|
+
|
|
| 5. | 134 ? 114 = 248 |
+
|
-
|
×
|
|
| 6. | 103 ? 57 = 160 |
+
|
-
|
×
|
|
| 7. | 13 ? 8 = 104 |
-
|
+
|
×
|
|
| 8. | 15 ? 5 = 75 |
×
|
+
|
-
|
|
| 9. | 184 ? 163 = 347 |
+
|
-
|
×
|
|
| 10. | 13 ? 9 = 117 |
×
|
-
|
+
|
|
| 11. | 131 ? 101 = 30 |
×
|
-
|
+
|
|
| 12. | 13 ? 8 = 104 |
×
|
-
|
+
|
|