RE: Resuelve el problema del día 04/04/2026
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240 = x + y + z x= 2y z= y + 20 240 = 2y + y + y + 20 -> 220 = 4y 55=y
x=110 z = 75 240 -> 110 novelas + 55 ciencias + 75 matemáticas Sencillito :D
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