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Sagot :

Bonjour,

a)

Erwan:

-2 +3+1 -3 = -1

Toni:

-2 +1 +3+3 = 5

b)

Ilhan :

-3-3 +3+1 = -2

S'il atteint la zone 2, ce sera bon:

-2 +3 = 1

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