Bonjour
A = 5 - 9 + 12 - 11
A = 5 + 12 - 9 - 11
A = 17 - 20
A = - 3
B = - 11 + 3 + 14 - 7
B = - 11 - 7 + 3 + 14
B = - 18 + 17
B = - 1.
Réponse :
A=(+5)+(-9)+(+12)+(-11)
A = (+5)+(+12)+(-9)+(-11)
A= (+17) +(-20)
A= -3
B=(-11)-(-3)+(+14)-(+7)
B=(-11)+(+3)+(+14)+(-7)
B=(-11)+(-7)+(+3)+(+14)
B=(-18)+(+17)
B=-1
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Bonjour
A = 5 - 9 + 12 - 11
A = 5 + 12 - 9 - 11
A = 17 - 20
A = - 3
B = - 11 + 3 + 14 - 7
B = - 11 - 7 + 3 + 14
B = - 18 + 17
B = - 1.
Réponse :
A=(+5)+(-9)+(+12)+(-11)
A = (+5)+(+12)+(-9)+(-11)
A= (+17) +(-20)
A= -3
B=(-11)-(-3)+(+14)-(+7)
B=(-11)+(+3)+(+14)+(-7)
B=(-11)+(-7)+(+3)+(+14)
B=(-18)+(+17)
B=-1