Simplifier, puis calculer chaque expression. A = (-17) + (+12) B = (+8,5) - (+2,7) C = (+6,3) - (-3,7) D = (-7) + (-6).
Mathématiques
laulau77nathan
Question
Simplifier, puis calculer chaque expression.
A = (-17) + (+12) B = (+8,5) - (+2,7) C = (+6,3) - (-3,7) D = (-7) + (-6).
A = (-17) + (+12) B = (+8,5) - (+2,7) C = (+6,3) - (-3,7) D = (-7) + (-6).
2 Réponse
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1. Réponse xMael
A= -17+12= -5
B= 8,5-2,7= 5,8
C= 6,3+ 3,7 = 10
D= -7-6= -13 -
2. Réponse winner123
bonjour
a = - 17 + 12 = - 5
b = + 8.5 - 2.7 = 5.8
c = 6.3 + 3.7 = 10
d = - 7 - 6 = - 13