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Clearnote
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Junior High
Mathematics
求詳解,謝謝!
Mathematics
Junior High
about 3 hoursago
P1man
求詳解,謝謝!
(C) 20 (D) 21 x=6 y=8 三、非選擇題:每題6分,共12分 會考 類題 1. 許多人在交易股票的時候會設立停損點,即當股票下跌一 定比例後就賣出,避免損失過大。老王在1月初買進一支 x元的股票,1月底股票下跌10%,2月底又比1月底再 下跌20%。請根據上述資訊回答下列問題,完整寫出你 的解題過程並詳細解釋: (1)若老王1月底即賣出股票,則會比2月底才賣出時少 賠多少元?(以x表示,須化簡) 團: 令 (2分)
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