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Sagot :

LOULAKAR

Bonsoir


carré magique :


-1/15 | -1/5 | A

B | -1/6 | C

D | E | -4/15


somme : -1/15 - 1/6 - 4/15

S = -5/15 - 1/6

S = -1/3 - 1/6

S = -2/6 - 1/6

S = -3/6

S = -1/2


-1/15 - 1/5 + A = -1/2

A = -1/2 + 1/5 + 1/15

A = -15/30 + 6/30 + 2/30

A = -7/30

-7/30 - 1/6 + D = -1/2

D = -1/2 + 7/30 + 1/6

D = -15/30 + 7/30 + 5/30

D = -3/30

D = -1/10


-1/15 + B - 1/10 = -1/2

B = -15/30 + 2/30 + 3/30

B = -10/30

B = -1/3


-1/3 - 1/6 + C = -1/2

C = -9/18 + 6/18 + 3/18

C = 0


-1/5 - 1/6 + E = -1/2

E = -15/30 + 6/30 + 5/30

E = -4/30

E = -2/15


-1/15 | -1/5 | -7/30

-1/3 | -1/6 | 0

-1/10 | -2/15 | -4/15

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