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