Calcul Mental
24/04/2024
MiCetF
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-INF s.
Ajouter ou soustraire des dizaines entières et compléments.
0 s.
20 + 67 =
76 - 60 =
73 = 30 +
58 + 10 =
99 = 40 +
50 + 19 =
40 + 17 =
28 + 70 =
20 + 66 =
91 - 20 =
64 - 30 =
28 + 40 =
44 = 10 +
60 + 45 =
66 - 40 =
87 = 80 +
80 + 17 =
52 - 50 =
73 - 60 =
28 + 60 =
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