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60 Calculer à la main..
A=9-4+ (6 - 11)-(-8+3 - 2)
B=-16 - 17 - 15+4) - (-5+12)
C = 7 -5+(2-3) - (-7+ 5 - 3)
D=-10 - (5 - 3+2) - (-13+ 12)

Sagot :

A= 7
B=-41
C=6
D=-13
je ne suis par contre pas sur de toute mes réponses
YURKIYE2006

Bonjour :)

A=9-4+ (6 - 11)-(-8+3 - 2)

= 9-4+(-5)-(-7)

= 9-4-5+7

= 7

B=-16 - 17 - 15+4 - (-5+12)

= -16-17-15+4-7

= -51

C = 7 -5+(2-3) - (-7+ 5 - 3)

= 7-5+(-1)- (-5)

= 7-5-1+5

= 6

D = -10 - (5 - 3+2) - (-13+ 12)

= -10-4-(-1)

= -10-4+1

= -13

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