[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

1-2岁选单一维度分类(仅颜色或仅形状),2-3岁可选双维度(颜色+形状),3岁以上再引入尺寸、数量、逻辑等多维分类,超前反而挫伤兴趣

1
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85%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/270517
API
curl https://kongchang.com/api/v1/knowledge/claims/270517
MCP
get_claim(id=270517)