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Chamallows
@Chamallows
April 2019
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Bonjour 10 point a gagner exo 37 et 38
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Fafas
37.
a. x=0 ou x-2=0 ou 2x+1=0
=> x=0 ou x=2 ou x=-1/2
b. x+2=0 ou 3x+5=0 ou 7x-3=0
=> x=-2 ou x=-5/3 ou x=3/7
38.
a. x²+1=0 ou 3x-4=0
=> x=1 ou x=-1 ou x=4/3
b. t-1=0 ou 2t+5=0 ou 4t-3=0
=> t=1 ou t=-5/2 ou t=3/4
1 votes
Thanks 1
chamallows
pas grave merci mec
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Lista de comentários
a. x=0 ou x-2=0 ou 2x+1=0
=> x=0 ou x=2 ou x=-1/2
b. x+2=0 ou 3x+5=0 ou 7x-3=0
=> x=-2 ou x=-5/3 ou x=3/7
38.
a. x²+1=0 ou 3x-4=0
=> x=1 ou x=-1 ou x=4/3
b. t-1=0 ou 2t+5=0 ou 4t-3=0
=> t=1 ou t=-5/2 ou t=3/4