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