Bonjour,
y est un diviseur de 16 et de 140
16/2 = 8
8/2 = 4
4/2 = 2
16 = 2*2*2*2
140/2 = 70
70/2 =35
35/5 = 7
140 = 2*2*5*7
140/1 = 140
140/2 = 70
140/4 =35
140/5 = 28
140/7 = 20
140/10 = 14
140/14 = 10
140/20 = 7
140/28 = 5
140/35 = 4
140/70 = 2
140/140 = 1
Diviseurs 16
1,2,4, 8, 16
4 divise 16 et 140
côtés des dalles:
4dm = 4cm
