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Amegnis15
@Amegnis15
January 2021
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aider moi svp pour cette énoncer :
prouver que (-2)×(-7) est l'opposer de (-2)×7
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catherine1234
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Bonsoir, (-2)x(-7)= +14 et (-2) x 7 = -14 donc +14 est bien l'opposé de -14
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Amegnis15
merci
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Verified answer
Bonsoir, (-2)x(-7)= +14 et (-2) x 7 = -14 donc +14 est bien l'opposé de -14