NISHIO Hirokazu
[Translate]
暗算と筆算はどちらが簡単か
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暗算より筆算が楽
学び方のデザイン
"
Engineer's way of creating knowledge
" the English version of my book is now available on
[Engineer's way of creating knowledge]
(C)NISHIO Hirokazu / Converted from
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7/6/2026, 6:18:24 PM
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