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rebelle02200
@rebelle02200
January 2021
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Bonsoir, niveau 3e, DM pour demain, donc urgent, je ne comprends pas !
Pouvez vous m'aider ?
Merci et bonne chance
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eivmam
A) -3*(8+(-2))=-3*(8-2)=-3*6=-18
B) -9/(7-(-5))=-9/(7+5)=-9/12=-3/4
C) 8+(-5)*4=8+(-20)=8-20=-12
D) ((-8)+(-1))-(-5)*2=(-8)-1-(-10)=-8-1+10=-9+10=1
E) -6*(-4)/8=-6*(-1)/2=6/2=3
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rebelle02200
Merci énormément, vous me sauvez la vie
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rebelle02200
January 2021 | 0 Respostas
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B) -9/(7-(-5))=-9/(7+5)=-9/12=-3/4
C) 8+(-5)*4=8+(-20)=8-20=-12
D) ((-8)+(-1))-(-5)*2=(-8)-1-(-10)=-8-1+10=-9+10=1
E) -6*(-4)/8=-6*(-1)/2=6/2=3