Maak de som uit de tafel van 12 kloppend
Tafels
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12
7
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2.
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12
1
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3.
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12
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4.
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12
6
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12
1
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6.
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12
3
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7.
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12
1
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8.
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12
6
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9.
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12
1
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10.
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12
9
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11.
×
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12
7
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12.
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12
10
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13.
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12
3
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14.
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12
9
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12
3
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16.
×
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12
9
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17.
×
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12
7
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18.
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12
7
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19.
×
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12
6
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20.
×
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12
7
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21.
×
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12
7
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22.
×
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12
6
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23.
×
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12
10
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24.
×
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12
8
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