Calcul Mental
20/04/2024
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-INF s.
Additions du type 9+n, 8+n, 7+n (n<10).
0 s.
3 + 7 =
8 + 3 =
9 + 1 =
8 + 7 =
7 + 8 =
7 + 7 =
4 + 9 =
7 + 5 =
2 + 9 =
4 + 7 =
6 + 8 =
8 + 8 =
9 + 9 =
7 + 2 =
6 + 9 =
8 + 7 =
3 + 9 =
9 + 7 =
7 + 9 =
9 + 9 =
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