Bonjour
Effectuer les calculs suivants. Les résultats seront écrits sous la forme d'une fraction ''la plus simple possible ''.
F = 21/30 : 7/6
F = 21/30 x 6/7
F = 126/210
F = (42 x 3) / (42 x 5)
F = 3/5
G = 45/56 : (- 36/28)
G = 45/56 x (- 28/36)
G = - 1 260/2 016
G = (262 x - 5) / (262 x 8)
G = - 5/8
H = 15 : (1/4 - 2/3)
H = 15 : [(1 x 3) / (4 x 3) - (2 x 4) / (3 x 4)]
H = 15 : (3/12 - 8/12)
H = 15 : - 5/12
H = 15 x - 12/5
H = - 180/5
H = (5 x - 36) / (5 x 1)
H = - 36
I = (5/6 + 1 - 7/30) : (5/6 - 1 + 7/30)
I = [(5 x 5) /(6 x 5) + (1 x 30) / (1 x 30) - 7/30] : [(5 x 5) / (6 x 5) - (1 x 30) / (1 x 30 + 7/30]
I = (25/30 + 30/30 - 7/30) : (25/30 - 30/30 + 7/30)
I = 48/30 : 2/30
I = 48/30 x 30/2
I = 1 440/60
I = (60 x 24) / (60 x 1)
I = 24.
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Bonjour
Effectuer les calculs suivants. Les résultats seront écrits sous la forme d'une fraction ''la plus simple possible ''.
F = 21/30 : 7/6
F = 21/30 x 6/7
F = 126/210
F = (42 x 3) / (42 x 5)
F = 3/5
G = 45/56 : (- 36/28)
G = 45/56 x (- 28/36)
G = - 1 260/2 016
G = (262 x - 5) / (262 x 8)
G = - 5/8
H = 15 : (1/4 - 2/3)
H = 15 : [(1 x 3) / (4 x 3) - (2 x 4) / (3 x 4)]
H = 15 : (3/12 - 8/12)
H = 15 : - 5/12
H = 15 x - 12/5
H = - 180/5
H = (5 x - 36) / (5 x 1)
H = - 36
I = (5/6 + 1 - 7/30) : (5/6 - 1 + 7/30)
I = [(5 x 5) /(6 x 5) + (1 x 30) / (1 x 30) - 7/30] : [(5 x 5) / (6 x 5) - (1 x 30) / (1 x 30 + 7/30]
I = (25/30 + 30/30 - 7/30) : (25/30 - 30/30 + 7/30)
I = 48/30 : 2/30
I = 48/30 x 30/2
I = 1 440/60
I = (60 x 24) / (60 x 1)
I = 24.