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Bonjour à tous, SVP et merci d'avance
-3/4 x 11/2=
3/5 x -7/3=
3/2 x 3/7=
-25/9 x (-1/5) =
6/5 : 5/3=6/5 x .../... = .../....
-4/7 : 11/9 = -4/7 x .../... = .../....


Répondre :

Bonjour,

-3/4 x 11/2= -33/8

3/5 x -7/3= -7/5 x 3/3 = -7/5

3/2 x 3/7= 9/14

-25/9 x (-1/5) = 25/5 x 1/9 = 5 x 1/9 = 5/9

6/5 : 5/3=6/5 x 3/5 = 18/25

-4/7 : 11/9 = -4/7 x 9/11 = -36/77