Rejoignez la communauté FRstudy.me et obtenez les réponses dont vous avez besoin. Posez n'importe quelle question et recevez des réponses rapides et bien informées de notre réseau de professionnels expérimentés.
Sagot :
Bonsoir,
Effectuer les calculs en détaillant toutes les étapes :
A = (-2/3) + 2/5 x 1/2
A = -2/3 + 2/2 x 1/5
A = -2/3 + 1/5
A = -10/15 + 3/15
A = -7/15
B = (3/7 - 2) x (-5/11)
B = (3/7 - 14/7) x (-5/11)
B = (-11/7) x (-5/11)
B = -11/-11 x 5/7
B = 5/7
C = 7/9 - 1/6 x 5
C = 7/9 - 5/6
C = (7 x 2)/(9 x 2) - (5 x 3)/(6 x 3)
C = 14/18 - 15/18
C = -1/18
D = 15/(-14) x (-7/20)
D = 7/14 x 15/20
D = (1 x 7)/(2 x 7) x (3 x 5)/(4 x 5)
D = 1/2 x 3/4
D = 3/8
E = (-4/7 + 1/4) x (-2/3 - 6/5)
E = (-16/28 + 7/28) x (-10/15 - 18/15)
E = -9/28 x -28/15
E = 28/28 x 9/15
E = (3 x 3)/(3 x 5)
E = 3/5
F = 5/9 - 1
F = 5/9 - 9/9
F = -4/9
G = 1/2 + 1/3 + 1/4
G = 12/24 + 8/24 + 6/24
G = 26/24
G = (2 x 13)/(2 x 12)
G = 13/12
H = -2/3 x 3/4 x -4/5 x 5/(-6)
H = -3/3 x 2/4 x -5/5 x 4/-6
H = -1/2 x 2/3
H = -2/2 x 1/3
H = -1/3
I = 2 - 2/3 x 5
I = 2 - 10/3
I = 6/3 - 10/3
I = -4/3
J = (-1 + 1/3) x 9/(-4)
J = (-3/3 + 1/3) x -4/9
J = -2/3 x -4/9
J = 8/27
Effectuer les calculs en détaillant toutes les étapes :
A = (-2/3) + 2/5 x 1/2
A = -2/3 + 2/2 x 1/5
A = -2/3 + 1/5
A = -10/15 + 3/15
A = -7/15
B = (3/7 - 2) x (-5/11)
B = (3/7 - 14/7) x (-5/11)
B = (-11/7) x (-5/11)
B = -11/-11 x 5/7
B = 5/7
C = 7/9 - 1/6 x 5
C = 7/9 - 5/6
C = (7 x 2)/(9 x 2) - (5 x 3)/(6 x 3)
C = 14/18 - 15/18
C = -1/18
D = 15/(-14) x (-7/20)
D = 7/14 x 15/20
D = (1 x 7)/(2 x 7) x (3 x 5)/(4 x 5)
D = 1/2 x 3/4
D = 3/8
E = (-4/7 + 1/4) x (-2/3 - 6/5)
E = (-16/28 + 7/28) x (-10/15 - 18/15)
E = -9/28 x -28/15
E = 28/28 x 9/15
E = (3 x 3)/(3 x 5)
E = 3/5
F = 5/9 - 1
F = 5/9 - 9/9
F = -4/9
G = 1/2 + 1/3 + 1/4
G = 12/24 + 8/24 + 6/24
G = 26/24
G = (2 x 13)/(2 x 12)
G = 13/12
H = -2/3 x 3/4 x -4/5 x 5/(-6)
H = -3/3 x 2/4 x -5/5 x 4/-6
H = -1/2 x 2/3
H = -2/2 x 1/3
H = -1/3
I = 2 - 2/3 x 5
I = 2 - 10/3
I = 6/3 - 10/3
I = -4/3
J = (-1 + 1/3) x 9/(-4)
J = (-3/3 + 1/3) x -4/9
J = -2/3 x -4/9
J = 8/27
Nous sommes ravis de vous avoir parmi nous. Continuez à poser des questions et à partager vos réponses. Ensemble, nous pouvons créer une ressource de connaissances précieuse pour tous. Pour des réponses rapides et fiables, consultez FRstudy.me. Nous sommes toujours là pour vous aider.