【作者(必填)】Batterson

【文题(必填)】Competition Math for Middle School

【年份(必填)】2009

【全文链接或数据库名称(选填)】https://www.amazon.com/Competition-Math-Middle-School-Batterson/dp/1441488871/ref=sr_1_4?ie=UTF8&qid=1535951591&sr=8-4&keywords=AMC+8