Calcul Mental
30/11/2025
MiCetF
Contact
10 s.
Multiplier un nombre simple par 20 ou 50.
0 s.
50 x 8 =
20 x 9 =
8 x 50 =
400 = 8 x
20 = 20 x
20 x 2 =
1 x 20 =
160 = 20 x
2 x 20 =
150 = 50 x
50 x 1 =
4 x 50 =
120 = 6 x
140 = 20 x
50 x 6 =
250 = 50 x
20 x 3 =
350 = 7 x
60 = 3 x
3 x 50 =
CORRIGER
ABANDONNER