Sagot :
A. 27 (1,3,9,7,27)
B. 38 (1,2,19,38)
C. 56 (1,2,4,7,8,14,28,56)
D. 72 (1,2,3,4,6,8,9,12,18,24,36,72)
B. 38 (1,2,19,38)
C. 56 (1,2,4,7,8,14,28,56)
D. 72 (1,2,3,4,6,8,9,12,18,24,36,72)
a.27=1,3,9,27
b.38=1,2,19,38
c.56=1,2,4,7,8,16,28,56
d=1,2,3,4,6,8,9,12,18,24,36,72
b.38=1,2,19,38
c.56=1,2,4,7,8,16,28,56
d=1,2,3,4,6,8,9,12,18,24,36,72