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Introduction

Maak de sommen.


Question

1
6 + 3 =
16 + 3 =

Question

2
16 - 13 =

Question

3
11 - 9 =

Question

4
80 + 10 =

Question

5
70 + 9 =

Question

6
8 + 1 =
18 + 1 =

Question

7
12 - 6 =

Question

8
70 - 10 =

Question

9
30 + 30 =

Question

10
50 - 20 =