a teaching aid, in particular for kids to learn of algebraic numbers

• 1. 一种能够提高孩子数学能力的教具 [P] . 中国专利： CN209199393U . 2019.08.02
• 2. 一种多方位简化编程学习过程的教具和编程教具 [P] . 中国专利： CN207833708U . 2018.09.07
• 3. CODABLE BLOCK TEACHING AID FOR KID'S COMPUTATIONAL THINKING ENHANCEMENT [P] . 韩国专利： KR20200113827A . 2020-10-07

  机译： 可编码的块状教学辅助工具，用于孩子的计算思维增强

• 4. first aid for kids standard teaching system, system for interactive instruction consisting of 91 magnetic signs, various issues. size, magnethaftende foil [P] . 德国专利： DE202018002333U1 . 2018-08-02

  机译： 儿童急救标准教学系统，互动式教学系统，由91个磁标组成，各种问题。尺寸，铝箔纸

• 5. A first aid for kids standard - go to school - a system, system for interactive teaching consisting of 91 magnetic characters, of various. Size, the magnet in prison end film [P] . 德国专利： DE202018002333U1 . 2018-06-22

  机译： 儿童急救标准-上学-一种互动教学系统，由91种磁性字符组成，多种多样。大小，监狱底片中的磁铁

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• 6. Moving Math- Interactive Teaching Aids for Visualizing Algebra [O] . Kumar Ankit, Mitrano Peter, Polley Patrick, 2014

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• 4. 巧用自制教具提高电子兴趣小组教学质量的研究——“电子蜘蛛教具”的发明与应用 [C] . 毕欣 . 北京市第十六届课外校外教育理论研讨会 . -1
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