Pregunta de entrevista de Jane Street
What is 38 squared?
Respuestas de entrevistas
Anónimo
21 de dic de 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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