A little sudoku-like app for helping first-graders practice addition

experiment: convert to Pijul

https://pijul.org

Created by  Kartik K. Agaram  on June 25, 2023
NCW64JJDI7GMLEN26A4I7CFK6DJZHPQBKNKJRQ5MAG2YFKQAF3RAC
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