Question d’entretien chez Jane Street
What is 38 squared?
Réponses aux questions d'entretien
Utilisateur anonyme
21 déc. 2011
If it's meant to be done mentally, it might be best to think of it as 38*38 = (40-2)*(40-2) = 1600 - 2*80 + 4 = 1444 or something along those lines..
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