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