L'addition a 20 Flashcards
1
Q
4 + 5
A
9
2
Q
4 + 6
A
10
3
Q
14 + 6
A
20
4
Q
7 + 8
A
15
5
Q
9 + 6
A
15
6
Q
2 +15
A
17
7
Q
6 + 8
A
14
8
Q
5 +14
A
19
9
Q
13 + 5
A
18
10
Q
3 + 12
A
15
11
Q
17 + 3
A
20
12
Q
11 +6
A
17
13
Q
13 + 5
A
18
14
Q
6+8
A
14
15
Q
16+3
A
19
