A=(+12)+(-5)-(+4) B=(-7)+(+6)-(-9) C=(+5)-(+8)-(2)
Mathématiques
corrardcharles1
Question
A=(+12)+(-5)-(+4)
B=(-7)+(+6)-(-9)
C=(+5)-(+8)-(2)
2 Réponse
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1. Réponse queenomega
A=(+12)+(-5)-(+4)
12-5-4
3
B=(-7)+(+6)-(-9)
-7+6+9
8
C=(+5)-(+8)-(2)
5-8-2
-5 -
2. Réponse Mesdevoirs88
A= +12 + (-5) - (+4)
= +12 - 5 - 4
= 7 - 4
= 3
B= (-7) + 6 - (-9)
= -7 + 6 + 9
= -1 + 9
= 8
C= +5 - (+8) -2
= +5 - 8 - 2
= -3 - 2
= -5