[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

18-36个月幼儿的数字启蒙应优先选择实物操作类(如数字积木、串珠、配对板),避免纯屏幕/声光类,因为该阶段数感建立依赖手部触觉与数量点数的一一对应

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Long-term
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