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Sagot :

Bonjour

(2/3)² x (1/4)² = (2²/3²) x (1²/4²) = 4/9 x 1/16 = 4/144 = (4 x 1) / (4 x 36) = 1/36

(1/3)² x (1/2)² = (1²/3²) x (1²/2²) = 1/9 x 1/4 = 1/36.

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