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joss
@joss
June 2021
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merci de bien vouloir m'aider c'est un exercice sur les additions et soustractions des nombres relatifs
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MichaelS
Verified answer
Réponse en pièce jointe
2 votes
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lauSAO
Bonsoir
alors en partant du bas:
7-3 = 4 5-1-9 = -5 3,1-2,8=0,3 -0,1-1,4=-1,5
donc on doit faire la somme de deux cases pour trouver celle du dessus
donc 4 + (-5) = -1
en comprenant le principe tu dois pouvoir faire la suite
0 votes
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Verified answer
Réponse en pièce jointealors en partant du bas:
7-3 = 4 5-1-9 = -5 3,1-2,8=0,3 -0,1-1,4=-1,5
donc on doit faire la somme de deux cases pour trouver celle du dessus
donc 4 + (-5) = -1
en comprenant le principe tu dois pouvoir faire la suite