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Doudou69330
@Doudou69330
May 2019
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Bonsoir ,pouvez vous m'aider sur un exercice de maths,je ne le comprend pas .Merci d'avance .C'est le numéro 30
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loulakar
Verified answer
A) recopier :
A = (+5) - (+3) + (-7)
B = (-8) + (-10) - (-9)
b) remplacer soustractions par additions :
A = (+5) + (-3) + (-7)
B = (-8) + (-10) + (+9)
c) ajouter les nombres négatifs entre eux et les nombres positifs entre eux :
A = (+5) + (-10)
B = (-18) + (+9)
d) terminer le calcul :
A = (-5)
B = (-9)
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Bonsoir pouvez vous m'aider sur un exercice de maths que je n'ai pas compris .c'est l'exercice 30 merci
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Verified answer
A) recopier :A = (+5) - (+3) + (-7)
B = (-8) + (-10) - (-9)
b) remplacer soustractions par additions :
A = (+5) + (-3) + (-7)
B = (-8) + (-10) + (+9)
c) ajouter les nombres négatifs entre eux et les nombres positifs entre eux :
A = (+5) + (-10)
B = (-18) + (+9)
d) terminer le calcul :
A = (-5)
B = (-9)