SNEER 发表于 2025-3-23 09:55:29

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嫌恶 发表于 2025-3-23 15:51:37

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condemn 发表于 2025-3-23 19:33:09

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Mast-Cell 发表于 2025-3-23 22:33:04

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poliosis 发表于 2025-3-24 06:14:29

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木讷 发表于 2025-3-24 07:55:40

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烤架 发表于 2025-3-24 14:41:43

Introduction,athematical relations, patterns, and arithmetical structures lie at the heart of early algebraic activity, with processes such as noticing, conjecturing, generalizing, representing, justifying, and communicating being central to students’ engagement.

nutrition 发表于 2025-3-24 16:22:50

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ascetic 发表于 2025-3-24 19:47:16

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滑动 发表于 2025-3-24 23:52:47

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查看完整版本: Titlebook: Early Algebra; Research into its Na Carolyn Kieran,JeongSuk Pang,Swee Fong Ng Book‘‘‘‘‘‘‘‘ 2016 The Editor(s) (if applicable) and the Autho