Bonsoir ´
D= 5/6+2/9
D= 45+12 : 54 = 57/54 = 19/18
E = 3/4 - 3 + 5/6
E = dénominateur commun :12
E = 9-36+10 : 12 = -17/12
F = 2,1 + 5/3
F = 21/10 + 5/3
F = 63/30 + 50/30
F = 113/30
G = 1,8/3 - 1/7
G = 18/30 - 1/7
G = 126-30 : 96 = 16/35
Bon courage.
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Bonsoir ´
D= 5/6+2/9
D= 45+12 : 54 = 57/54 = 19/18
E = 3/4 - 3 + 5/6
E = dénominateur commun :12
E = 9-36+10 : 12 = -17/12
F = 2,1 + 5/3
F = 21/10 + 5/3
F = 63/30 + 50/30
F = 113/30
G = 1,8/3 - 1/7
G = 18/30 - 1/7
G = 126-30 : 96 = 16/35
Bon courage.