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数量范围优先选1-10配1-20可扩展的教具组，起步阶段（3-4岁）只需1-10即可，5岁以上进位运算需要至少覆盖到20-100的十进制串珠或数棒

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Unverified选择数量在100-120块的套装最适合3-6岁数学启蒙，可完整覆盖10以内加减、十进制凑十法和100以内数感训练；低于50块无法演示进位概念77% similar Unverified触控点数决定多人协作能力：单人批注选10点即可，教学/会议白板场景需20点以上，20点以上产品几乎均为红外框方案，纯电容膜受制程限制多在10-16点72% similar Unverified单角色LoRA训练推荐使用rank 16、约3000步，每250步生成一次样本，最优版本通常出现在第1000~2000步之间而非最终版本71% similar Unverified作为精细动作训练入口的方案：3岁从大木珠+粗线穿单串起步→4-5岁引入按图卡配色排序→5-6岁增加造型模板（动物/字母珠）与多线编织→7岁以上过渡到编绳DIY首饰，逐级选择数量和珠型递增的套装70% similar Unverified12节(约6米)是最通用规格，家庭个人训练8-10节足够，团队/球队集训选20节可拼接款或直接买两条对接69% similar

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