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bonjour jai besoin d'aide svp!
en ecrivant toutes les etapes puis simplifier le resultat
-3/9 + 21/-9=
10 - 6/10=
2/3 - -8/6=
1/3 - 4/8 + 5/6 =

Sagot :

Bonjour

-3/9 + 21/-9= 21/9 - 3/9 = 18/9 = 2

10 - 6/10= 100/10  -6/10 = 94/10 = 9,4

2/3  -8/6= 4/6 -8/6 = 4/6 = 2/3

1/3 - 4/8 + 5/6 = 8/24 - 12/24 + 20/24 = 16/24 = 8/12 = 4/6 = 2/3

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