1日5分で脳がみるみる若返る！大人の脳活計算ドリル 180日
by 篠原 菊紀
Daily five-minute math exercises in a 180-day program created to help adults maintain mental sharpness through consistent brain training.
About This Book
This workbook provides structured daily math activities intended for adult brain fitness.
Each session is designed to take about five minutes, making it easy to fit into a busy schedule.
The program spans 180 days, offering a gradual progression of exercises.
Content focuses on calculation drills that aim to support cognitive maintenance.
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