【作者(必填)】Chen
【文题(必填)】
American Mathematics Competitions (AMC 10) Preparation (1-2) and Practice test
【年份(必填)】2015

【全文链接或数据库名称(选填)】
https://www.amazon.com/American-Mathematics-Competitions-AMC-Preparation/dp/1519207255

https://www.amazon.com/American-Mathematics-Competitions-AMC-Preparation/dp/1519207743/ref=sr_1_3?ie=UTF8&qid=1535955061&sr=8-3&keywords=American+Mathematics+Competitions+%28AMC+10%29+Preparation

https://www.amazon.com/American-Mathematics-Competitions-Preparation-Practice/dp/1530036690/ref=sr_1_2?ie=UTF8&qid=1535955061&sr=8-2&keywords=American+Mathematics+Competitions+%28AMC+10%29+Preparation