{
  "name": "二年级下册数学知识点汇总",
  "short_name": "二年级数学",
  "description": "根据人教版二年级下册数学教材编写，涵盖数据收集整理、表内除法、图形的运动、混合运算、有余数的除法、万以内数的认识、克和千克、数学广角八大章节。",
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  "lang": "zh-CN",
  "dir": "ltr"
}