Répondre :
Bonjour,
A = 1/2 + 1/4
A = (1 x 2) / (2 x 2) + 1/4
A = 2/4 + 1/4
A = 3/4
B = 1/2 + 5/6
B = (1 x 3) / (2 x 3) + 5/6
B = 3/6 + 5/6
B = 8/6
B = (2 x 4) / (2 x 3)
B = 4/3
C = 1/2 + 3/10
C = (1 x 5) / (2 x 5) + 3/10
C = 5/10 + 3/10
C = 8/10
C = (2 x 4) / (2 x 5)
C = 4/5
D = 2/3 + 1/6
D = (2 x 2) / (3 x 2) + 1/6
D = 4/6 + 1/6
D = 5/6
E = 5/4 + 7/2
E = 5/4 + (7 x 2) / (2 x 2)
E = 5/4 + 14/4
E = 19/4
F = 7/12 + 5/3
F = 7/12 + (5 x 4) / (3 x 4)
F = 7/12 + 20/12
F = 27/12
G = 2 + 1/3
G = (2 x 3) / (1 x 3) + 1/3
G = 6/3 + 1/3
G = 7/3
H = 5/3 + 3
H = 5/3 + (3 x 3) / (1 x 3)
H = 5/3 + 3/3
H = 8/3
I = 4 + 7/5
I = (4 x 5) / (1 x 5) + 7/5
I = 20/5 + 7/5
I = 27/5
J = 7 + 43/6
J = (7 x 6) / (1 x 6) + 43/6
J = 42/6 + 43/6
J = 85/6
A = 1/2 + 1/4
A = (1 x 2) / (2 x 2) + 1/4
A = 2/4 + 1/4
A = 3/4
B = 1/2 + 5/6
B = (1 x 3) / (2 x 3) + 5/6
B = 3/6 + 5/6
B = 8/6
B = (2 x 4) / (2 x 3)
B = 4/3
C = 1/2 + 3/10
C = (1 x 5) / (2 x 5) + 3/10
C = 5/10 + 3/10
C = 8/10
C = (2 x 4) / (2 x 5)
C = 4/5
D = 2/3 + 1/6
D = (2 x 2) / (3 x 2) + 1/6
D = 4/6 + 1/6
D = 5/6
E = 5/4 + 7/2
E = 5/4 + (7 x 2) / (2 x 2)
E = 5/4 + 14/4
E = 19/4
F = 7/12 + 5/3
F = 7/12 + (5 x 4) / (3 x 4)
F = 7/12 + 20/12
F = 27/12
G = 2 + 1/3
G = (2 x 3) / (1 x 3) + 1/3
G = 6/3 + 1/3
G = 7/3
H = 5/3 + 3
H = 5/3 + (3 x 3) / (1 x 3)
H = 5/3 + 3/3
H = 8/3
I = 4 + 7/5
I = (4 x 5) / (1 x 5) + 7/5
I = 20/5 + 7/5
I = 27/5
J = 7 + 43/6
J = (7 x 6) / (1 x 6) + 43/6
J = 42/6 + 43/6
J = 85/6
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