Calcul Mental
17/05/2025
MiCetF
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10 s.
Ajouter ou soustraire des dizaines entières et compléments.
0 s.
27 = 10 +
86 - 20 =
10 + 38 =
60 + 47 =
39 + 50 =
49 = 30 +
60 + 37 =
18 + 40 =
14 + 70 =
64 - 30 =
20 + 18 =
84 - 10 =
71 - 40 =
95 = 50 +
94 - 10 =
56 + 10 =
52 = 20 +
10 + 95 =
58 + 40 =
29 + 50 =
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