Addition/soustraction > 19) Presque Doubles (soustraction) > Flashcards
3 - 1 =
2
5 - 2 =
3
5 - 3 =
7 - 4 =
7 - 3 =
4
9 - 5 =
9 - 4 =
5
11- 6 =
11 - 5 =
6
13 - 7 =
13 - 6 =
7
15 - 8 =
15 - 7 =
8
17 - 9 =
17 - 8 =
9
19 - 10 =
19 - 9 =
10
1 - 0 =
1