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Morgane41
@Morgane41
May 2019
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Bonjour, je n'arrive pas à répondre à la question 1, j'ai fait toutes les autres
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scoladan
Verified answer
Bonjour,
1)
première ligne : a b
seconde ligne : c d
M magique ⇒ a + b = c + d = a + c = b + d = a + d = c + b
a + b = a + c ⇒
b = c
a + b = a + d ⇒
b = d
c + d = a + c ⇒
a = d
⇒ a = b = c = d
1 votes
Thanks 1
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Lista de comentários
Verified answer
Bonjour,1)
première ligne : a b
seconde ligne : c d
M magique ⇒ a + b = c + d = a + c = b + d = a + d = c + b
a + b = a + c ⇒ b = c
a + b = a + d ⇒ b = d
c + d = a + c ⇒ a = d
⇒ a = b = c = d