{"lablename3":"五年级数学","title":"买一本《儿童故事》要16元,买一本《少年文摘》要6元,两种书各买a本。(1)...[五年级][数学]","mkid":"","lablename2":"五年级","pagetype":3,"infoid":"2599687","infotype":0,"lablename1":"小学"}