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Sagot :

WSMORAG78

Réponse:

3^99/3^3= 3 ^96

(5^3×5^2)^4=5^20

5^-6×5^12/5^4= 5^2

BLANCISABELLE

Réponse :

bonsoir

Explications étape par étape :

2⁵¹ x 2¹³ = 2⁵¹⁺¹³= 2⁶⁴

3⁹⁹/3³ = 3⁹⁹⁻³ = 3⁹⁶

(5³ x 5²)⁴ =( 5³⁺²)⁴ = (5⁵)⁴ = 5⁵ˣ⁴ = 5²⁰

5⁻⁶ x 5¹²/5⁴ = 5⁻⁶ x 5¹²⁻⁴ = 5⁻⁶ x 5⁸ = 5⁻⁶⁺⁸ = 5²

bonne soirée

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