Calcul Mental
02/07/2025
MiCetF
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10 s.
Additions à trous (a + b + ? = s <= 20).
0 s.
8 + 1 +
= 10
1 + 4 +
= 10
3 + 6 +
= 17
1 + 7 +
= 16
3 + 8 +
= 20
4 + 4 +
= 16
9 + 5 +
= 18
5 + 6 +
= 17
6 + 8 +
= 17
2 + 4 +
= 15
4 + 8 +
= 15
7 + 4 +
= 12
2 + 2 +
= 5
3 + 3 +
= 12
8 + 5 +
= 19
1 + 5 +
= 12
3 + 8 +
= 13
7 + 2 +
= 11
1 + 7 +
= 9
3 + 9 +
= 19
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