小学生是先认识小数好还是先认识分数好北师大版是先认识小数,而人教版和苏教版都是先认识分数,到底怎样才符合小学生的认知规律.

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 07:23:27
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