Calcul Mental
23/10/2024
MiCetF
Contact
10 s.
Multiplier un nombre simple par 20 ou 50.
0 s.
2 x 20 =
50 x 1 =
9 x 20 =
60 = 20 x
20 x 5 =
160 = 20 x
7 x 20 =
150 = 50 x
50 = 1 x
9 x 50 =
7 x 50 =
20 x 3 =
50 x 8 =
180 = 9 x
20 x 8 =
100 = 5 x
4 x 20 =
50 x 5 =
80 = 20 x
140 = 7 x
CORRIGER
ABANDONNER