Maak de som uit de tafel van 10 kloppend
Tafels
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3
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10
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3
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10.
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10
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5
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7
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10
1
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10
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5
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10
5
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10
1
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7
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10
7
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10
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10
2
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23.
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10
4
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24.
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10
10
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