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Introduction

Maak de sommen.


Question

1
30 + 30 =

Question

2
6 + 3 =
16 + 3 =

Question

3
40 + 1 =

Question

4
4 + 3 =
14 + 3 =

Question

5
40 + 6 =

Question

6
60 + 20 =

Question

7
50 + 3 =

Question

8
3 + 2 =
13 + 2 =

Question

9
20 + 7 =

Question

10
20 + 20 =