[KongchangAI]
Unverified82% confidenceCautionTime unknown

过度依赖电子屏幕/App类数学启蒙不建议作为3-5岁主力工具,此阶段手部实物操作对建立数量对应关系至关重要,电子教具可作补充但每日屏幕时间应控制在20分钟内

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