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Sagot :

Bonjour !

1) A = 8-4+5+9-10-7-7+8 = 30 - 28 = 2

2) B = -1+3-13-8-9+17 = 20 - 31 = -11

3) C = -11-9-6+11+13+7 = 31 - 26 = 5

Bonne journée.

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