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Sagot :

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

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