Omoshirokute yaku ni tatsu chūgaku sūgaku de tachimachi "yawarakātama" ni naru hon
Subtitle: yasashii sūgaku de shikōryoku to hassōryoku o mi ni tsukeyō
By: Yuasa Hirokazu.
Publisher: Chūkei Shuppan
Published: 2005
Place of publication: Tōkyō
Language: jpn
Number of pages: 203
ISBN-13: 9784806122722
Subjects: Mathematics -- Problems, exercises, etc.
Genres: Problems, exercises, etc.
Other titles: Chūgaku sūgaku de tachimachi "yawarakātama" ni naru hon; "Yawarakaatama" ni naru hon; "Yawaraka atama" ni naru hon; Developing "flexible thinking" with junior  high school math