Explications étape par étape
a. A = ( + 3 ) + ( + 8 ) + ( - 5 ) = 3 + 8 - 5 = 6
b. B = ( + 9 ) + ( + 6 ) + ( + 7 ) + ( - 3 ) = 9 + 6 + 7 - 3 = 19
c. C = ( + 6 ) + ( - 9 ) + ( + 4 ) + ( - 11 ) = 6 - 9 + 4 - 11 = - 10
d. D = ( + 12 ) + ( - 4 ) + ( + 9 ) + ( + 7 ) + ( + 10 ) = 12 - 4 + 9 + 7 + 10 = 34
e. E = ( - 12 ) + ( + 8 ) + ( - 5 ) + ( + 14 ) + ( - 13 ) = - 12 + 8 - 5 + 14 - 13 = - 8
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Explications étape par étape
a. A = ( + 3 ) + ( + 8 ) + ( - 5 ) = 3 + 8 - 5 = 6
b. B = ( + 9 ) + ( + 6 ) + ( + 7 ) + ( - 3 ) = 9 + 6 + 7 - 3 = 19
c. C = ( + 6 ) + ( - 9 ) + ( + 4 ) + ( - 11 ) = 6 - 9 + 4 - 11 = - 10
d. D = ( + 12 ) + ( - 4 ) + ( + 9 ) + ( + 7 ) + ( + 10 ) = 12 - 4 + 9 + 7 + 10 = 34
e. E = ( - 12 ) + ( + 8 ) + ( - 5 ) + ( + 14 ) + ( - 13 ) = - 12 + 8 - 5 + 14 - 13 = - 8