Problem #PRU-66063

Problemas Matemáticas Discretas Combinatoria Problemas de pintura Métodos Principio del casillero Principio del casillero (otro) Prueba por contradicción Problemas divertidos Problemas de palabras Tablas y torneos Tablas y torneos (otro)

Problem

Four outwardly identical coins weigh 1, 2, 3 and 4 grams respectively.

Is it possible to find out in four weighings on a set of scales without weights, which one weighs how much?

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