x 2 = 4

x 2 = 18

x 2 = 20

x 2 = 22

7 x 2 =

x 2 = 16

16 = x 2

x 2 = 14

10 = x 2

4 = x 2

2 = x 2

x 2 = 24

6 = x 2

14 = x 2

18 = x 2

9 x 2 =

8 x 2 =

3 x 2 =

12 = x 2

5 x 2 =

12 x 2 =

10 = x 2

22 = x 2

8 = x 2