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