Maths practise!
1
2 + 6
=
2
2 + 1
=
3
6 + 2
=
4
3 + 5
=
5
9 + 3
=
6
4 + 0
=
7
2 + 9
=
8
3 + 5
=
9
0 + 0
=
10
7 + 6
=
11
3 + 2
=
12
2 + 9
=
13
1 + 7
=
14
7 + 9
=
15
8 + 5
=
16
8 + 8
=