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ダイヤモンド社

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○小学生がたった１日で１９×１９までかんぺきに暗算できる本

エンタメ/ホビー本人文/社会

Price

¥ 533

Item Condition

Minor damages/stains

Japan Domestic Shipping

Free

Seller

ダダ's shop

Rating

1189

2

0

1

Sale

11.22-11.24, Mercari 6% OFF + ¥2,800 OFF! 11.21-11.24, Music Video Sites 3% + ¥500 OFF! 11.21-11.25, Rakuma + JDirectItems Fleamarket Limited 3% OFF + ¥400 OFF! 11.20-11.24, Amazon Japan Up to 6% OFF！ 11.20-11.23, AmiAmi + Colleize +Yuyutei 3%OFF!

「小学生がたった１日で１９×１９までかんぺきに暗算できる本」数ページ書き込みましたので、消しゴムで消しました。ちなみに、大人の私も暗算ができるようになりました！ #暗算 #かけ算 #算数 #数学 #計算

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