株式会社極東書店トップ ＞ 商品一覧 ＞ Ten-Minute Exercises.
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解説
Originally published in 1938, this book provides a series of exercises in arithmetic intended to take pupils ten minutes to complete. The text was created to train pupils in speed and accuracy in the fundamentals of arithmetic, avoiding unnecessary written work. This book will be of value to anyone with an interest in arithmetic, mathematics and the history of education.