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Sagot :

AYUDA

bjr

nbre choisi 10

10x10 = 100

100 - 3 = 97

nbre 1

1x1 = 1

1 - 3 = -2

n*n - 3 = -5

n² = -5 + 3

n² = -2

impossible

n*n - 3 = 22

n² = 25

n = 5 ou - 5

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