16
10
1 x 2 =
4
4 x 2 =
10 x 2 =
6 x 2 =
14
6
9 x 2 =
20
12
7 x 2 =
5 x 2 =
18
8 x 2 =
2
8
3 x 2 =
2 x 2 =
