Flash cards
1
Q
6x1
A
6
2
Q
6x2
A
12
3
Q
6x3
A
18
4
Q
6x4
A
24
5
Q
6x5
A
30
6
Q
6x6
A
36
7
Q
6x7
A
42
8
Q
6x8
A
48
9
Q
6x9
A
54
10
Q
6x10
A
60
11
Q
6x11
A
66
12
Q
6x12
A
72