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Merci de répondre très rapidement Calculer sous la forme d’une fraction irréductible ou d’un entier

Merci De Répondre Très Rapidement Calculer Sous La Forme Dune Fraction Irréductible Ou Dun Entier class=

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MAUDMARINE

Bonjour

I = 12/5 - 3/5 x 7/9

I = 12/5 - 21/45

I = (12 x 3) / (5 x 3) - (3 x 7) / (3 x 15)

I = 36/15 - 7/15

I = 29/15

J = 7/3 - 4/3 : 2/5

J = 7/3 - 4/3 x 5/2

J = (7 x 2) / (3 x 2) - 20/6

J = 14/6 - 20/6

J = - 6/6

J = - 1

K = (2/3 - 3) : 1/9

K = [2/3 - (3 x 3) / (1 x 3)] : 1/9

K = (2/3 - 9/3) : 1/9

K = - 7/3 x 9

K = 63/3

K = (3 x 21) / (3 x 1)

K = 21

L = 1/3 - 1/3 x 4/7

L = (1 x 7) / (3 x 7) - 4/21

L = 7/21 - 4/21

L = 3/21

L = (3 x 1) / (3 x 7)

L = 1/7

M = 6/5 : (1/15 - 1/5)

M = 6/5 : [1/15 - (1 x 3) / (5 x 3)]

M = 6/5 : (1/15 - 3/15)

M = 6/5 : - 2/15

M = 6/5 x - 15/2

M = - 90/10

M= (10 x - 9) / (10 x 1)

M = - 9

N = 3/5 - 1/5 x (5/2 + 2)

N = 3/5 - 1/5 x [5/2 + (2 x 2) / (1 x 2)]

N = 3/5 - 1/5 x (5/2 + 4/2)

N = 3/5 - 1/5 x 9/2

N = 3/5 - 9/10

N = (3 x 2) / (5 x 2) - 9/10

N = 6/10 - 9/10

N = - 3/10

O = 5 + (1 + 1/8) : 3/4

O = 5 + [(1 x 8) / (1 x 8) + 1/8] x 4/3

O = 5 + (8/8 + 1/8) x 4/3

O = 5 + 9/8 x 4/3

O = 5 + 36/24

O = (5 x 2) / (1 x 2) +  (12 x 3) /(12 x 2)

O = 10/2 + 3/2

O = 13/2.