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Exercice 3 : Recopier et compléter les égalités :
1) a) (-1) (...) = 1
b) (-2) x (...) = 1 c) (+0,5) x (...) = 1
d) (-0,25) « (...) = 1
2) a) 6x==
b) (-5) ... = 1
c) (-5,3) x ... = 1
d) (-5,3) x ... = 0
e) (-5,3) + ... = 1
f) (-5,3) x ... = -1
Pouvez vous m'aider svp ​

Sagot :

Bonjour,

1)

a. (-1) × (-1) = 1

b. (-2) × (-0,5) = 1

c. (0,5) × 2 = 1

d. (-0,25) × (-4) = 1

2)

a. Erreur

b. (-5) × (-0,2) = 1

c. (-5,3) × (-10/53) = 1

d. (-5,3) × 0 = 0

e. (-5,3) + (6,3) = 1

f. (-5,3) × (10/53) = 1

Bonne journée -:)

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