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