Maak de erbijsom tot 20
Erbijsommen
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1.
7 + 11 =
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2.
7 + 13 =
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3.
7 + 11 =
|
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4.
2 + 15 =
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5.
2 + 7 =
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6.
15 + 0 =
|
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7.
10 + 3 =
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8.
12 + 3 =
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9.
3 + 12 =
|
|
10.
6 + 12 =
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11.
5 + 15 =
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12.
20 + 0 =
|
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13.
14 + 5 =
|
14.
12 + 2 =
|
15.
7 + 7 =
|
|
16.
15 + 2 =
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17.
15 + 1 =
|
18.
17 + 1 =
|
|
19.
12 + 7 =
|
20.
19 + 1 =
|
21.
11 + 5 =
|
|
22.
6 + 0 =
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23.
10 + 4 =
|
24.
4 + 15 =
|
|
25.
6 + 12 =
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26.
9 + 5 =
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27.
7 + 1 =
|
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28.
11 + 4 =
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29.
8 + 6 =
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30.
12 + 1 =
|
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31.
9 + 11 =
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32.
17 + 3 =
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33.
15 + 3 =
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