1)nombres qui doivent se faire barrer (multiples de 2)= 1, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100
2)nombres à barrer ( multiples de 3) =
6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99
3)nombres à barrer (multiples de 5)= 10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100
