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