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