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