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Sagot :

Bonjour

A = x² = 2,5² = 6,25

B = 5x² = 5 * 2² = 5 * 4 = 20

C = 4 + 2x² = 4 + 2 * 0² = 4

D = x³ = 3³ = 27

E = 2x³ = 2 * 5³ = 2 * 125 = 250

F = 15 - x³ = 15 - 1³ = 15 - 1 = 14.

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