Calcul Mental
16/07/2024
MiCetF
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10 s.
Additions à trous (a + b + ? = s <= 20).
0 s.
1 + 9 +
= 14
5 + 3 +
= 17
3 + 9 +
= 17
5 + 5 +
= 12
1 + 3 +
= 11
1 + 7 +
= 10
5 + 3 +
= 15
2 + 8 +
= 18
7 + 3 +
= 14
6 + 5 +
= 18
6 + 2 +
= 13
9 + 6 +
= 20
2 + 7 +
= 10
1 + 1 +
= 7
5 + 4 +
= 10
1 + 8 +
= 18
5 + 3 +
= 11
2 + 4 +
= 10
7 + 4 +
= 20
4 + 9 +
= 17
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