Calcul Mental
31/07/2026
MiCetF
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10 s.
Compléments à la dizaine, centaine ou au millier supérieur.
0 s.
1000 = 960 +
70 = 65 +
80 = 72 +
600 = 570 +
70 = 63 +
90 = 87 +
500 = 430 +
7000 = 6100 +
500 = 420 +
80 = 71 +
30 = 28 +
1000 = 980 +
40 = 33 +
10000 = 9900 +
900 = 860 +
60 = 56 +
5000 = 4100 +
30 = 26 +
500 = 450 +
100 = 94 +
CORRIGER
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