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