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Sagot :

Bonjour,

-2/3 -3/2 =

-4/6 - 9/6 = - 13/6

7/12 -2/9 =

28/36 - 8/36 = 20/36 = 5/9

0,6/5,4 - 5/6 =

6/54 - 5/6 =

6/54 - 45/54 = - 39/54

2,7/0,8 -5/6=

27/8  - 5/6=

81/24 - 20/24 =

61/24

Salut

[tex]\rule{4cm}{1mm}[/tex]

Réponse en P.J.

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