bonjour
B = (12 x - 3) : 6
= - 36 : 6 = - 6
C = 15 + ( - 30 + 2) : ( 4)
= 15 + ( - 28 : 4) = 15 - 7 = 8
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bonjour
B = (12 x - 3) : 6
= - 36 : 6 = - 6
C = 15 + ( - 30 + 2) : ( 4)
= 15 + ( - 28 : 4) = 15 - 7 = 8