Bonjour,
A = (6-2) x 3 = 12
B = 18 : (3-1) + 3 = 12
C = (7+3) x (2-0,8) = 12
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b=3-1 = 2 18/2=9 et 9+3 =12 donc 18/(3-1)+3=12
Bonjour,
A = (6-2) x 3 = 12
B = 18 : (3-1) + 3 = 12
C = (7+3) x (2-0,8) = 12