不知道怎麽才能提高，她自己做了一遍書，AMC8沒過線
所有跟帖：
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是不是一級一級的往上學數學知識會好過用競賽作為主要的數學學習方式？
-兩女寶媽-
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04/24/2025 postreply
10:19:19
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