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