Open Middle®
Instrucciones: Usando los dígitos del 1 al 9, sin repetir, rellena los recuadros de manera que el enunciado sea cierto. Origen: Adrianne Burns
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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.