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Optellen tot 20

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Created by meestermarc

Alle optellingen tot 20 bliksemsnel uit je hoofd!?

- 10+10
- 20
- 10+9
- 19
- 10+8
- 18
- 10+7
- 17
- 10+6
- 16
- 10+5
- 15
- 10+4
- 14
- 10+3
- 13
- 10+2
- 12
- 10+1
- 11
- 10+0
- 10
- 9+11
- 20
- 9+10
- 19
- 9+9
- 18
- 9+8
- 17
- 9+7
- 16
- 9+6
- 15
- 9+5
- 14
- 9+4
- 13
- 9+3
- 12
- 9+2
- 11
- 9+1
- 10
- 9+0
- 9
- 8+12
- 20
- 8+11
- 19
- 8+10
- 18
- 8+9
- 17
- 8+8
- 15
- 8+7
- 15
- 8+6
- 14

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