AMC 10
https://artofproblemsolving.com/wiki/index.php/AMC_10_Problems_and_Solutions
AMC 12
https://artofproblemsolving.com/wiki/index.php/AMC_12_Problems_and_Solutions
• 谢谢,真题做过了,孩子记住有些题答案了…… -binbin2013- ♀ (0 bytes) () 10/21/2022 postreply 12:32:00