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Doudou69330
@Doudou69330
May 2019
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Bonsoir pouvez vous m'aider pour un Exercice de maths que je n'ai pas bien compris.c'est l'exercice numero 30 merci
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Eliott78
Verified answer
Bonsoir,
a)
A = (+5) - (+3) + (-7)
B = (-8) + (-10) - (-9)
--------------------------------
b) A = (+5) + (+3) + (+7)
A = +5 +3 +7
A = 15
B = (+8) + (+10) +(+9)
B = 8 + 10 + 9
B = 27
-----------------------------------
c)
A = (+5) - (+3) + (-7)
A = +5 -3 -7
A = +5 -10
A = -5
B= (-8) + (-10) -(-9)
B = -8 -10 +9
B = -18 + 9
B = -9
--------------------------------------------------------------
d)
A = (+5) - (+3) + (-7)
A = +5 -3 -7
A = -5
B = (-8) + (-10) - (-9)
B = -8 -10 +9
B = -9
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Thanks 1
doudou69330
Merci pour votre réponse mais il ne faut pas laisser les nombre relatif négatif et faire que la soustraction?
Eliott78
Bonsoir, je ne comprends pas ta question. C'est à propos de quelle partie a), b), c) ou d) ?
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Verified answer
Bonsoir,a)
A = (+5) - (+3) + (-7)
B = (-8) + (-10) - (-9)
--------------------------------
b) A = (+5) + (+3) + (+7)
A = +5 +3 +7
A = 15
B = (+8) + (+10) +(+9)
B = 8 + 10 + 9
B = 27
-----------------------------------
c)
A = (+5) - (+3) + (-7)
A = +5 -3 -7
A = +5 -10
A = -5
B= (-8) + (-10) -(-9)
B = -8 -10 +9
B = -18 + 9
B = -9
--------------------------------------------------------------
d)
A = (+5) - (+3) + (-7)
A = +5 -3 -7
A = -5
B = (-8) + (-10) - (-9)
B = -8 -10 +9
B = -9