Maak de som uit de tafel van 11 kloppend
Tafels
1.
×
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11
3
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2.
×
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11
7
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3.
×
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11
5
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4.
×
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11
9
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5.
×
=
11
8
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6.
×
=
11
3
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7.
×
=
11
7
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8.
×
=
11
10
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9.
×
=
11
3
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10.
×
=
11
10
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11.
×
=
11
7
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12.
×
=
11
7
________
13.
×
=
11
8
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14.
×
=
11
8
________
15.
×
=
11
10
________
16.
×
=
11
9
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17.
×
=
11
5
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18.
×
=
11
2
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19.
×
=
11
9
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20.
×
=
11
8
________
21.
×
=
11
10
________
22.
×
=
11
10
________
23.
×
=
11
6
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24.
×
=
11
7
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