Oefening 1 | |||||
1. | 174 ? 71 = 245 |
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2. | 15 ? 14 = 210 |
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3. | 85 ? 79 = 164 |
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4. | 15 ? 11 = 165 |
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5. | 97 ? 58 = 155 |
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6. | 154 ? 85 = 239 |
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7. | 12 ? 6 = 72 |
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8. | 10 ? 8 = 80 |
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9. | 12 ? 12 = 144 |
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10. | 183 ? 56 = 127 |
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11. | 108 ? 51 = 159 |
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12. | 161 ? 60 = 221 |
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Oefening 1 | |||||
1. | 174 ? 71 = 245 |
-
|
+
|
×
|
|
2. | 15 ? 14 = 210 |
×
|
+
|
-
|
|
3. | 85 ? 79 = 164 |
×
|
+
|
-
|
|
4. | 15 ? 11 = 165 |
-
|
+
|
×
|
|
5. | 97 ? 58 = 155 |
×
|
+
|
-
|
|
6. | 154 ? 85 = 239 |
-
|
×
|
+
|
|
7. | 12 ? 6 = 72 |
-
|
+
|
×
|
|
8. | 10 ? 8 = 80 |
+
|
×
|
-
|
|
9. | 12 ? 12 = 144 |
×
|
-
|
+
|
|
10. | 183 ? 56 = 127 |
-
|
+
|
×
|
|
11. | 108 ? 51 = 159 |
×
|
-
|
+
|
|
12. | 161 ? 60 = 221 |
×
|
-
|
+
|