[KongchangAI]
Unverified80% confidenceCautionTime unknown

给儿童启蒙不要直接买9×9标准数独,应先从4×4、6×6变体入手;市面标注'儿童数独'若全是9×9会造成挫败感,选购前需确认含小宫格过渡题

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80%
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Long-term
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