Questionmark Perception
Help
Change contrast
Change font size

Introduction

Maak de sommen.


Question

1
13 - 12 =

Question

2
17 - 11 =

Question

3
18 - 9 =

Question

4
12 - 6 =

Question

5
60 - 30 =

Question

6
16 - 8 =

Question

7
16 - 13 =

Question

8
19 - 12 =

Question

9
90 - 50 =

Question

10
70 - 40 =