Maak de som uit de tafel van 12 kloppend
Tafels
1.
×
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12
7
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2.
×
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12
8
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3.
×
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12
3
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4.
×
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12
1
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5.
×
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12
1
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6.
×
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12
4
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7.
×
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12
9
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8.
×
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12
1
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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
1
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12.
×
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12
3
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13.
×
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12
2
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14.
×
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12
1
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15.
×
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12
9
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16.
×
=
12
8
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17.
×
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12
3
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18.
×
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12
10
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19.
×
=
12
1
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20.
×
=
12
8
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21.
×
=
12
2
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22.
×
=
12
8
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23.
×
=
12
2
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24.
×
=
12
7
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