bonjour
A = 1/2 - 1/6
= 3/6 - 1/6
= 2 /6 = 1 /3
B = 7/2 - 5/4
= 14/4 - 5/4
= 9/4
C = 5/9 - 1/3
= 5/9 - 3/9
= 2/9
D = 13/2 - 1/4
= 26/4 - 1/4
= 25 /4
E ) 10/18 - 1/6
= 10/18 - 3/18
= 7/18
F ) 7/3 - 13/15
= 35/15 - 13/15
= 22/15
G = 7 - 20/3
= 21/3 - 20/3
= 1/3
essaie de faire les 2 derniers sinon tu ne sauras jamais le faire, c'est pareil que G
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bonjour
A = 1/2 - 1/6
= 3/6 - 1/6
= 2 /6 = 1 /3
B = 7/2 - 5/4
= 14/4 - 5/4
= 9/4
C = 5/9 - 1/3
= 5/9 - 3/9
= 2/9
D = 13/2 - 1/4
= 26/4 - 1/4
= 25 /4
E ) 10/18 - 1/6
= 10/18 - 3/18
= 7/18
F ) 7/3 - 13/15
= 35/15 - 13/15
= 22/15
G = 7 - 20/3
= 21/3 - 20/3
= 1/3
essaie de faire les 2 derniers sinon tu ne sauras jamais le faire, c'est pareil que G