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Sagot :

Bonsoir

153 → Vrai

1³ = 1

5³ = 125

3³ = 27

1 + 125 + 27 = 153

371 → Vrai

3³ = 27

7³ = 343

1³ = 1

27 + 343 + 1 = 371

407 → Vrai

4³ = 64

0³ = 0

7³ = 343

64 + 343 = 407.

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