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