IOTA 发表于 2025-3-26 22:02:27

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模仿 发表于 2025-3-27 01:53:36

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CRATE 发表于 2025-3-27 08:59:40

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催眠 发表于 2025-3-27 13:30:15

Yevgeny V. Stadnik recent years, research in mathematics education has endeavored to gain insights into problem posing—conceptually as well as empirically. In problem-posing research, there has been a focus on analyzing products, that is, the posed problems. Insights into the processes that lead to these products, ho

遗留之物 发表于 2025-3-27 14:05:21

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Mundane 发表于 2025-3-27 18:10:32

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查看完整版本: Titlebook: The Economics of Symbolic Exchange; Alexander Dolgin Book 2009 Springer-Verlag Berlin Heidelberg 2009 Cultural Economics.Digital Age.Exper