[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

3-4岁数理启蒙优先选点数量≤10的实物对应类绘本(如一一对应贴纸书),5-6岁再引入20以内加减和数量分解,7岁以上才适合逻辑推理/数独类

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