【20 天 (結果變5天) 來 Skim + Scan (03)：一頁書心得 (數商)】
https://www.penana.com/article/1649263
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因為時間關係，我把 20 本縮減為 5 本。
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Day 23 ～ Day 27，我會列出五本會計學/數學相關書籍，從裡頭擷取一頁 (結果超過一頁～) 內容，然後寫一個小小的心得。
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from 博客來網路書店・我的電子書櫃「日記創挑書單」
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今天這本書是《真希望高中數學這樣教：系列暢銷20萬冊！跟著東大教授的解題祕訣，6天掌握高中數學關鍵》，作者是西成活裕, 鄉和貴，譯者是張郁萱。
https://www.books.com.tw/products/E050113778
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目錄
前言136Please respect copyright.ＰＥＮＡＮＡWKVMzYYlCL
登場人物介紹136Please respect copyright.ＰＥＮＡＮＡ4iTgwsPdgN
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第一天 數學的樂趣在哪裡？136Please respect copyright.ＰＥＮＡＮＡzNOaYpvNVj
第一課 其實並不可怕的高中數學136Please respect copyright.ＰＥＮＡＮＡKXm5gIUUtu
好想學真正實用的數學！136Please respect copyright.ＰＥＮＡＮＡm7zF8Zdvo6
高中數學比國中數學還簡單！？136Please respect copyright.ＰＥＮＡＮＡD0DMCSU69T
136Please respect copyright.ＰＥＮＡＮＡBi8rK5mXL1
第二課 超精簡的創新數學課！136Please respect copyright.ＰＥＮＡＮＡjVDkaHoiim
果斷刪去八成教科書內容！136Please respect copyright.ＰＥＮＡＮＡcekIpruXPT
世界首創！「西成流」數學分類法136Please respect copyright.ＰＥＮＡＮＡx9lgBVbQcT
高中數學中最輕鬆的是「代數」136Please respect copyright.ＰＥＮＡＮＡ9ginvH6vel
高中數學的顛峰是「微分積分」136Please respect copyright.ＰＥＮＡＮＡRuV19SasD4
超好用的工具「餘弦定理」136Please respect copyright.ＰＥＮＡＮＡpzAsNVVgpL
真正的幾何大魔王是「向量」136Please respect copyright.ＰＥＮＡＮＡxFaFjqnLnZ
Column文組無法理解數學的理由136Please respect copyright.ＰＥＮＡＮＡjcYPUEvBzE
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第二天 輕鬆致勝！搞懂「代數」就能精通高中文組數學！！136Please respect copyright.ＰＥＮＡＮＡ08pvwvUklA
第一課 速速學會統計學基礎136Please respect copyright.ＰＥＮＡＮＡCnqiVXUrii
數據處理的3大必備條件136Please respect copyright.ＰＥＮＡＮＡnegYqU8gto
為什麼增加個數很好用？136Please respect copyright.ＰＥＮＡＮＡBuUCdHzw9C
「排列組合」是指什麼？136Please respect copyright.ＰＥＮＡＮＡL8Ix10ykuF
看離散程度的「標準差」136Please respect copyright.ＰＥＮＡＮＡH6qx68Kk2G
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第二課 記住「數列相加」的方法136Please respect copyright.ＰＥＮＡＮＡF71DGHMlvj
天才高斯少年發現的「倒序相加」136Please respect copyright.ＰＥＮＡＮＡXIcBfKTfBC
超好用！任何等差數列都能用136Please respect copyright.ＰＥＮＡＮＡGeBshndDFH
嚴禁直接死背公式！136Please respect copyright.ＰＥＮＡＮＡCHEDwPfLaX
導出等差數列和的公式136Please respect copyright.ＰＥＮＡＮＡvCBQOCEc3m
豐臣秀吉被擺了一道！數學變黃金的故事136Please respect copyright.ＰＥＮＡＮＡixIOukaPY8
等比數列是「相乘後錯位相減」136Please respect copyright.ＰＥＮＡＮＡf1HsEULyrs
導出等比數列和的公式136Please respect copyright.ＰＥＮＡＮＡvKfkpzku4G
先知道處理數列和的符號！136Please respect copyright.ＰＥＮＡＮＡXo2ECXaPfh
Column把數學記號當作是念魔咒136Please respect copyright.ＰＥＮＡＮＡkSdBa1VSUa
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第三課 記住「排列組合法」136Please respect copyright.ＰＥＮＡＮＡVNEWPs7XZE
從賽馬了解「排列」與「組合」136Please respect copyright.ＰＥＮＡＮＡL7bwT2HGsg
Step①了解階乘的計算方法136Please respect copyright.ＰＥＮＡＮＡv1qmiABUua
Step②了解排列的計算方法136Please respect copyright.ＰＥＮＡＮＡJIBQZWOzLe
Step③了解組合的計算方法136Please respect copyright.ＰＥＮＡＮＡp1VWA2rHzA
了解「排列」與「組合」的式子136Please respect copyright.ＰＥＮＡＮＡo3fCdrdQBb
「排列」和「組合」的符號是「P」和「C」136Please respect copyright.ＰＥＮＡＮＡgOp5VgjVXJ
運用「排列」和「組合」排班表136Please respect copyright.ＰＥＮＡＮＡ2B801OLaDI
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第四課 搞懂「離散值」和「標準差」136Please respect copyright.ＰＥＮＡＮＡDhlJ6QFlBP
資訊分析的基礎是找到「數據的規則」136Please respect copyright.ＰＥＮＡＮＡroZUdiPHOL
兩個步驟找出離散程度136Please respect copyright.ＰＥＮＡＮＡsp2dXRLx1K
平均、分散、標準差的深～度關係136Please respect copyright.ＰＥＮＡＮＡXWupVKlzD5
平均、離散、標準差的記號136Please respect copyright.ＰＥＮＡＮＡSSq6XbMhE9
試著用Excel計算標準差136Please respect copyright.ＰＥＮＡＮＡ1BlMHYTEye
也把「偏差值」的計算公式記起來136Please respect copyright.ＰＥＮＡＮＡS2vny3cXwp
附註內容①深奧的平均世界136Please respect copyright.ＰＥＮＡＮＡrKXEOMBR8V
附註內容②平均值、中位數、眾數136Please respect copyright.ＰＥＮＡＮＡAlnUCGBc6Z
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第三天 超爽快！掌握高中文組數學的「分析」！136Please respect copyright.ＰＥＮＡＮＡMd8F8Oaz3R
第一課 豁然開朗！函數的世界136Please respect copyright.ＰＥＮＡＮＡGpEfVuUICI
函數與方程式的差別？136Please respect copyright.ＰＥＮＡＮＡVPYN7z7QaD
高中數學的4種函數136Please respect copyright.ＰＥＮＡＮＡEq8R1ksthv
Column少年西成的理科腦情書136Please respect copyright.ＰＥＮＡＮＡH7LMDCYUQy
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第二課 來複習二次函數！136Please respect copyright.ＰＥＮＡＮＡ8X92ZBzL1X
速速複習！二次方程式136Please respect copyright.ＰＥＮＡＮＡChKjZeFRuy
畫出二次函數的圖形！136Please respect copyright.ＰＥＮＡＮＡBGbSbcAf45
Column 物理學家是名偵探136Please respect copyright.ＰＥＮＡＮＡWV3DvUDpcR
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第三課 指數函數超好用！136Please respect copyright.ＰＥＮＡＮＡL7LFKQ9rM5
記住指數函數的相關用語136Please respect copyright.ＰＥＮＡＮＡhA1xzjVk0m
基本規則①乘冪相乘時，指數相加136Please respect copyright.ＰＥＮＡＮＡP27oU5virz
基本規則②乘冪再乘冪時，指數相乘136Please respect copyright.ＰＥＮＡＮＡxTVd2Qlf8o
基本規則③乘冪相除時，指數相減136Please respect copyright.ＰＥＮＡＮＡISIfBUyLnZ
指數是負數時會怎樣？136Please respect copyright.ＰＥＮＡＮＡyiN78YqSek
指數是「0」的時候會怎樣？136Please respect copyright.ＰＥＮＡＮＡFTYqYTr6Pw
根號可以轉換成指數運算136Please respect copyright.ＰＥＮＡＮＡK7V1aUWcFS
統整指數運算的處理方式136Please respect copyright.ＰＥＮＡＮＡai3LeHKdG5
將指數函數做成圖形看看！136Please respect copyright.ＰＥＮＡＮＡXzOqjILJGU
順便來談談「對數函數」的內容136Please respect copyright.ＰＥＮＡＮＡ58vyyih3mD
天文數字也可以處理的對數函數136Please respect copyright.ＰＥＮＡＮＡiS8gU21WNB
指數函數與音樂的深～度關係136Please respect copyright.ＰＥＮＡＮＡpi2KsnxIx9
用iPhone計算指數函數的方法136Please respect copyright.ＰＥＮＡＮＡnaXUefLIzB
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第四天 秒懂高中數學的「幾何」精髓！136Please respect copyright.ＰＥＮＡＮＡlArgLSkidH
第一課 不再霧煞煞的「三角比」136Please respect copyright.ＰＥＮＡＮＡdNMXDFOd7Z
以餘弦定理搞懂三角形136Please respect copyright.ＰＥＮＡＮＡ4a5IaSoFpW
畫三角形的「西成流」作法136Please respect copyright.ＰＥＮＡＮＡWwZowf21mC
sin、cos、tan是指「邊長比」136Please respect copyright.ＰＥＮＡＮＡegeoIKEfrG
忘掉tan的存在吧！136Please respect copyright.ＰＥＮＡＮＡeVJEgjxPqQ
直角三角形的定義中必要的θ136Please respect copyright.ＰＥＮＡＮＡoiJlKnpUuw
三角比經常出現的陷阱題136Please respect copyright.ＰＥＮＡＮＡagftvzAdvM
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第二課 俐落導出餘弦定理公式136Please respect copyright.ＰＥＮＡＮＡccPucqjEH3
用三角比可以做的事136Please respect copyright.ＰＥＮＡＮＡebmKFHdJd6
導出餘弦定理①事前準備136Please respect copyright.ＰＥＮＡＮＡwEh9Beh1x1
導出餘弦定理②成立公式、解開136Please respect copyright.ＰＥＮＡＮＡBROrraUVpf
導出餘弦定理③證明sin2θ+ cos2θ= 1136Please respect copyright.ＰＥＮＡＮＡkLl2S6uCJw
導出餘弦定理④完成136Please respect copyright.ＰＥＮＡＮＡSjB8XIPiaD
餘弦定理與畢氏定理的關係136Please respect copyright.ＰＥＮＡＮＡP2wB1kzdrr
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第三課 學習最後的分析工具「三角函數」！136Please respect copyright.ＰＥＮＡＮＡ85CURk94ui
三角函數只是將θ與y的關係圖像化136Please respect copyright.ＰＥＮＡＮＡrVoRZn9K9z
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第五天 特別課程①：幾何的最終武器「向量」！136Please respect copyright.ＰＥＮＡＮＡECGPktjec6
第一課 偉大的「向量」136Please respect copyright.ＰＥＮＡＮＡeC8hO01FgT
用代數解幾何問題！？136Please respect copyright.ＰＥＮＡＮＡN41yvrSjwR
「短短數行」就能證明餘弦定理136Please respect copyright.ＰＥＮＡＮＡTf2l8PkbzN
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第二課 了解「向量」的超嶄新概念136Please respect copyright.ＰＥＮＡＮＡAE0zYFTNPR
向量是集結兩種資訊的「特殊容器」136Please respect copyright.ＰＥＮＡＮＡ4dvLpPzsot
眾所熟知的「純量」136Please respect copyright.ＰＥＮＡＮＡLNn716nkvP
數據時代的主角「張量」136Please respect copyright.ＰＥＮＡＮＡv6IuBXGd7b
為什麼我們需要向量？136Please respect copyright.ＰＥＮＡＮＡvj8UgFmzcM
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第三課 「向量」是用箭頭當作記號唷136Please respect copyright.ＰＥＮＡＮＡGSiPTgWxHF
向量的書寫規則136Please respect copyright.ＰＥＮＡＮＡtaP8nIAHK6
張量的畫法136Please respect copyright.ＰＥＮＡＮＡvTZ1iduE8p
試著把向量畫成圖136Please respect copyright.ＰＥＮＡＮＡvvtwMyC3Sv
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第四課 「向量」的計算超簡單！136Please respect copyright.ＰＥＮＡＮＡ9IeoCCHhtJ
來算算向量的加法吧136Please respect copyright.ＰＥＮＡＮＡV370oBT4DM
也來算算向量的減法136Please respect copyright.ＰＥＮＡＮＡ529GHVpxTW
試著分解向量吧136Please respect copyright.ＰＥＮＡＮＡY9ckDsn4ac
試著挑戰向量的乘法136Please respect copyright.ＰＥＮＡＮＡsn6RvtSpUP
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第五課 靠「向量」秒殺餘弦定理！136Please respect copyright.ＰＥＮＡＮＡzl8qCg3TOS
用向量瞬間導出餘弦定理！136Please respect copyright.ＰＥＮＡＮＡT6Laqq0ixd
不論幾次元都能處理的向量136Please respect copyright.ＰＥＮＡＮＡycPcyyI6AC
Column少年來了！（前篇）136Please respect copyright.ＰＥＮＡＮＡRaukoq1M6B
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第6天 特別課程②：用「微積分」預測未來！136Please respect copyright.ＰＥＮＡＮＡcJR6KgKOGh
第一課 人類的寶物！了解微分積分136Please respect copyright.ＰＥＮＡＮＡzdQWxDGvdM
微分積分與函數的關係136Please respect copyright.ＰＥＮＡＮＡNtaP5lLddA
今天的主題是「三角形面積」136Please respect copyright.ＰＥＮＡＮＡjdyISOm27Y
牛頓VS萊布尼茲的仁義之戰136Please respect copyright.ＰＥＮＡＮＡpDWBkTWgq8
怎麼區分最合適？136Please respect copyright.ＰＥＮＡＮＡiNLkketVnU
用微積分計算三角形的面積！136Please respect copyright.ＰＥＮＡＮＡaA78shyJc1
來認識微分積分的符號136Please respect copyright.ＰＥＮＡＮＡU2Ka9REtTz
Column少年來了！（後篇）136Please respect copyright.ＰＥＮＡＮＡ0mNaGkHvVz
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第二課 用Excel預測未來！136Please respect copyright.ＰＥＮＡＮＡ3nSksHhjZr
現代人，用Excel就能預測未來136Please respect copyright.ＰＥＮＡＮＡYVv7VbQ1W8
掌握Excel的使用方法！136Please respect copyright.ＰＥＮＡＮＡrWGe0rXpLN
「數學家」、「AI」、「統計學家」的差別136Please respect copyright.ＰＥＮＡＮＡdhbpqJzBTP
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後記
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from《真希望高中數學這樣教：系列暢銷20萬冊！跟著東大教授的解題祕訣，6天掌握高中數學關鍵》
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實在沒辦法只作一頁截圖，所以把指數函數和音階的關係，全部截圖下來，放在這裡，也可以讓大家看到，這本書及其姐妹作《真希望國中數學這樣教：暢銷20萬冊！6天搞懂3年數學關鍵原理，跟著東大教授學，解題力大提升！》的寫作風格，就是這麼樸實無華輕鬆有趣。
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這本書以對話體呈現，採訪者提問，教授回答，文字就是對話和解釋，佐以圖表和插圖，內容雖然是數學，卻不枯燥 (至少對我而言)，看完以後是否能提升數學能力 and/or 對數學的興趣，就有待讀者自己發掘了。
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不喜歡數學，很多時候是過去的陰影 (對老師、對學校、對教法、對教材、對考試⋯⋯) 造成的，其實與數學本身無涉；數學是一種語言，跟生活經驗極其相關。
伽利略認為「自然寫在宇宙這本大書上，而這本書是用數學語言寫成的。」
生而為人，我覺得很幸運，可以用數學這個語言，試著了解宇宙的奧妙。
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以上心得，部分文字出自《真希望國中數學這樣教：暢銷20萬冊！6天搞懂3年數學關鍵原理，跟著東大教授學，解題力大提升！》網頁下方會員評鑑「有感而發」的書評，不用懷疑，那個「有感而發」就是我本人啦。
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點一下網頁的「有感而發」，就可以看到我在博客來寫的書評，連結如下：
https://www.books.com.tw/booksComment/memberComment/xxx1406281
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【十二年國教課程綱要：數學領域 (節錄)】
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【同場加映】108課綱 資訊網
https://shs.k12ea.gov.tw/site/12basic
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今天到此為止，我們明天見！！
ns3.133.108.14da2
and then Add to home screen.