Open Middle®
Instrucciones: Escribe los dígitos del 1 al 9 sin repetir dentro de los recuadros, de manera que obtengas el mayor (o menor) valor para la suma de «x» y «y». Origen: Erick Lee
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Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.