Bonjour
C = 49/- 36 x - 20/12 x 48/- 35
C = 980/432 x - 48/35
C = - 47 040/15 120
C = (1 680 x 28) / (1 680 x 9)
C = 28/9
D = 5/4 - 2/3 : 16/9
D= 5/4 - 2/3 x 9/16
D = 5/4 - 18/48
D = (5 x 2) / (4 x 2) - (6 x 3) / (6 x 8)
D = 10/8 - 3/8
D = 7/8
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Bonjour
C = 49/- 36 x - 20/12 x 48/- 35
C = 980/432 x - 48/35
C = - 47 040/15 120
C = (1 680 x 28) / (1 680 x 9)
C = 28/9
D = 5/4 - 2/3 : 16/9
D= 5/4 - 2/3 x 9/16
D = 5/4 - 18/48
D = (5 x 2) / (4 x 2) - (6 x 3) / (6 x 8)
D = 10/8 - 3/8
D = 7/8