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