AMC Challenge · After-Class Homework
课后作业（中英双语）
20 questions - same ideas as the challenge set, all-new numbers. Try each one first; tap Show Hint if you get stuck, then submit.
共 20 题，与挑战赛同思路、全新数字。请先自己做，卡住了点"显示提示"，做完提交。
Answered 已答
0
/20 · Score 得分
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⚠️ Please enter your name 请先输入姓名
📤 Submit Homework 提交作业
💡 Show All Hints 显示全部提示
↺ Reset 重置