| Oefening 1 | |||||
| 1. | 19 ? 12 = 228 |
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| 2. | 11 ? 11 = 121 |
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| 3. | 832 ? 270 = 562 |
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| 4. | 20 ? 20 = 400 |
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| 5. | 884 ? 490 = 1.374 |
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×
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| 6. | 434 ? 423 = 857 |
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×
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| 7. | 880 ? 428 = 1.308 |
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| 8. | 654 ? 226 = 428 |
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| 9. | 850 ? 754 = 96 |
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| 10. | 858 ? 161 = 1.019 |
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| 11. | 20 ? 18 = 360 |
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×
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| 12. | 16 ? 12 = 192 |
×
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+
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| Oefening 1 | |||||
| 1. | 19 ? 12 = 228 |
×
|
-
|
+
|
|
| 2. | 11 ? 11 = 121 |
-
|
×
|
+
|
|
| 3. | 832 ? 270 = 562 |
-
|
+
|
×
|
|
| 4. | 20 ? 20 = 400 |
-
|
×
|
+
|
|
| 5. | 884 ? 490 = 1.374 |
+
|
-
|
×
|
|
| 6. | 434 ? 423 = 857 |
-
|
×
|
+
|
|
| 7. | 880 ? 428 = 1.308 |
×
|
+
|
-
|
|
| 8. | 654 ? 226 = 428 |
-
|
×
|
+
|
|
| 9. | 850 ? 754 = 96 |
×
|
+
|
-
|
|
| 10. | 858 ? 161 = 1.019 |
-
|
+
|
×
|
|
| 11. | 20 ? 18 = 360 |
-
|
×
|
+
|
|
| 12. | 16 ? 12 = 192 |
×
|
+
|
-
|
|