20s Flashcards
1
Q
9+5
A
14
2
Q
8+ 3
A
11
3
Q
7+7
A
14
4
Q
6+6
A
12
5
Q
6+7
A
13
6
Q
4+8
A
12
7
Q
5+6
A
11
8
Q
5+8
A
13
9
Q
0+0
A
0
10
Q
2+9
A
11
11
Q
6+9
A
15
12
Q
4+6
A
10
13
Q
4+7
A
11
14
Q
17-3
A
14
15
Q
13-4
A
9
