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+# [아름다운 수](https://www.codetree.ai/trails/complete/curated-cards/challenge-beautiful-number)
+
+|유형|문제 경험치|난이도|
+|---|---|---|
+|[Trail 4 / Backtracking / K개 중 하나를 N번 선택하기(Simple)](https://www.codetree.ai/trail-info/intermediate-low/)|[[Challenge]아름다운 수](https://www.codetree.ai/trails/complete/curated-cards/challenge-beautiful-number/)|쉬움|
+