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Introduction

Maak de sommen.


Question

1
14 - 11 =

Question

2
80 - 30 =

Question

3
4 + 3 =
14 + 3 =

Question

4
90 - 50 =

Question

5
60 + 30 =

Question

6
40 + 6 =

Question

7
11 - 9 =

Question

8
3 + 3 =
13 + 3 =

Question

9
16 - 8 =

Question

10
30 + 30 =