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Sagot :

J = (7⁻²)³ fois 7

   =7^6*7

   =7^7

 

P = 2⁵ fois 3⁵ fois 7⁵

    =2^5*3^5*7^5

    =(2*3*5)^7

    =30^7

J = (7⁻²)³ × 7 = 7⁻⁶ × 7 = 7⁻⁶⁺¹ = 7⁻⁵

 

P = 2⁵ × 3⁵ × 7⁵ = (2 × 3 × 7)⁵ = 42⁵

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