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Introduction

Maak de sommen.


Question

1
80 + 2 =

Question

2
60 + 30 =

Question

3
3 + 3 =
13 + 3 =

Question

4
2 + 6 =
12 + 6 =

Question

5
40 + 50 =

Question

6
50 + 3 =

Question

7
20 + 20 =

Question

8
5 + 2 =
15 + 2 =

Question

9
20 + 5 =

Question

10
70 + 9 =