我試算初根號72..就是6根號2.....他解答答案寫15根號2/2...解答答案錯了??
收錄日期: 2021-04-27 20:37:08 原文連結 [永久失效]: https://hk.answers.yahoo.com/question/index?qid=20140311000010KK05259
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