Daily Archives: January 28, 2020

DAY/DYDD/GIORNO/NAP 28:

The Main Challenge Here is an introductory Mathelona challenge taken from the front cover of Volume 1 of my pocket book series. ◯  +  ◯   =    3    =   ◯  –  ◯ ◯  +  ◯   =   … Continue reading

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