[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

3x3至5x5难度适合学龄前及低年级儿童,7x7以上对成人也有一定挑战;若孩子年龄过小(4岁以下)连3x3都难以完成,容易产生挫败感

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85%
Confidence
Long-term
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