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