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分数卡问题演示器磁性小学数学教具教学仪器学生盘片圆分割模型
digital splicing block(数字拼接块)
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USD $10.71 | 200 piece available |
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score demonstration board(分数演示板)
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USD $4.0 | 200 piece available |
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fraction problem (plate diameter 20cm)(分数问题（盘面直径20CM）)
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USD $7.08 | 200 piece available |
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fraction problem (plate diameter 7cm)(分数问题（盘面直径7CM）)
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USD $3.45 | 200 piece available |
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fractional sheet (2cm size)(分数片（2厘米大小）)
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USD $0.71 | 200 piece available |
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备注：下单发货时请联系确认（现货实时变化）
磁性分数卡演示器，专为小学数学设计，圆盘分割模型直观演示分数概念。
核心卖点：磁性吸附、安全材质、互动性强。解决学生理解抽象分数的痛点，提升学习兴趣。
通过国家教育认证，品牌信誉保障。让数学学习变得生动有趣，激发孩子探索欲望，家长放心选择。
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