| Oefening 1 | |||||
| 1. | 20 ? 15 = 300 |
+
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×
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| 2. | 318 ? 117 = 201 |
×
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+
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| 3. | 20 ? 11 = 220 |
×
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+
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| 4. | 19 ? 13 = 247 |
×
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+
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| 5. | 678 ? 288 = 390 |
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×
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+
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| 6. | 108 ? 65 = 173 |
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+
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×
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| 7. | 810 ? 181 = 991 |
×
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+
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| 8. | 16 ? 14 = 224 |
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×
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+
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| 9. | 787 ? 107 = 894 |
+
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×
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| 10. | 16 ? 11 = 176 |
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+
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×
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| 11. | 291 ? 197 = 488 |
×
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-
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+
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| 12. | 19 ? 18 = 342 |
×
|
+
|
-
|
|
| Oefening 1 | |||||
| 1. | 20 ? 15 = 300 |
+
|
-
|
×
|
|
| 2. | 318 ? 117 = 201 |
×
|
-
|
+
|
|
| 3. | 20 ? 11 = 220 |
×
|
-
|
+
|
|
| 4. | 19 ? 13 = 247 |
×
|
-
|
+
|
|
| 5. | 678 ? 288 = 390 |
-
|
×
|
+
|
|
| 6. | 108 ? 65 = 173 |
-
|
+
|
×
|
|
| 7. | 810 ? 181 = 991 |
×
|
+
|
-
|
|
| 8. | 16 ? 14 = 224 |
-
|
×
|
+
|
|
| 9. | 787 ? 107 = 894 |
+
|
×
|
-
|
|
| 10. | 16 ? 11 = 176 |
-
|
+
|
×
|
|
| 11. | 291 ? 197 = 488 |
×
|
-
|
+
|
|
| 12. | 19 ? 18 = 342 |
×
|
+
|
-
|
|