【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449Please respect copyright.ＰＥＮＡＮＡ3GUPUE7fBy
登場人物介紹449Please respect copyright.ＰＥＮＡＮＡy5bgS44tL1
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第一天 數學的樂趣在哪裡？449Please respect copyright.ＰＥＮＡＮＡKuaRJTsxSI
第一課 其實並不可怕的高中數學449Please respect copyright.ＰＥＮＡＮＡct94lVvnA9
好想學真正實用的數學！449Please respect copyright.ＰＥＮＡＮＡnzvqXVpbLs
高中數學比國中數學還簡單！？449Please respect copyright.ＰＥＮＡＮＡgXuprjmmA9
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第二課 超精簡的創新數學課！449Please respect copyright.ＰＥＮＡＮＡfN8pnX8UfW
果斷刪去八成教科書內容！449Please respect copyright.ＰＥＮＡＮＡaJwWD8kI5n
世界首創！「西成流」數學分類法449Please respect copyright.ＰＥＮＡＮＡAoBTFYSfUA
高中數學中最輕鬆的是「代數」449Please respect copyright.ＰＥＮＡＮＡI3MgL5KHfM
高中數學的顛峰是「微分積分」449Please respect copyright.ＰＥＮＡＮＡTGPyg8Bi0p
超好用的工具「餘弦定理」449Please respect copyright.ＰＥＮＡＮＡKSxrVubXEZ
真正的幾何大魔王是「向量」449Please respect copyright.ＰＥＮＡＮＡnYanc7YF4P
Column文組無法理解數學的理由449Please respect copyright.ＰＥＮＡＮＡFoTzkH46HC
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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！！449Please respect copyright.ＰＥＮＡＮＡNonYbH0mj0
第一課 速速學會統計學基礎449Please respect copyright.ＰＥＮＡＮＡHNcS8mMzfB
數據處理的3大必備條件449Please respect copyright.ＰＥＮＡＮＡ48aSnsDRLb
為什麼增加個數很好用？449Please respect copyright.ＰＥＮＡＮＡRI6HEZRMbo
「排列組合」是指什麼？449Please respect copyright.ＰＥＮＡＮＡjiL8wYWEh5
看離散程度的「標準差」449Please respect copyright.ＰＥＮＡＮＡfJBlTof6bb
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第二課 記住「數列相加」的方法449Please respect copyright.ＰＥＮＡＮＡgMeKiWoubl
天才高斯少年發現的「倒序相加」449Please respect copyright.ＰＥＮＡＮＡryLe4f8MAV
超好用！任何等差數列都能用449Please respect copyright.ＰＥＮＡＮＡ5TwjxilygV
嚴禁直接死背公式！449Please respect copyright.ＰＥＮＡＮＡ5bu7i4kYkr
導出等差數列和的公式449Please respect copyright.ＰＥＮＡＮＡLofZPMus8Y
豐臣秀吉被擺了一道！數學變黃金的故事449Please respect copyright.ＰＥＮＡＮＡ7YFOKhETpA
等比數列是「相乘後錯位相減」449Please respect copyright.ＰＥＮＡＮＡ0dM35e0UEP
導出等比數列和的公式449Please respect copyright.ＰＥＮＡＮＡ8lRyaDpWnF
先知道處理數列和的符號！449Please respect copyright.ＰＥＮＡＮＡ8S8zJSQggn
Column把數學記號當作是念魔咒449Please respect copyright.ＰＥＮＡＮＡpb2vQpmJ5I
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第三課 記住「排列組合法」449Please respect copyright.ＰＥＮＡＮＡUUr5ooGhIj
從賽馬了解「排列」與「組合」449Please respect copyright.ＰＥＮＡＮＡUQGH8LIAc4
Step①了解階乘的計算方法449Please respect copyright.ＰＥＮＡＮＡrq9wHDLpHc
Step②了解排列的計算方法449Please respect copyright.ＰＥＮＡＮＡF8AWqGvYEa
Step③了解組合的計算方法449Please respect copyright.ＰＥＮＡＮＡq47ZyKQ3ns
了解「排列」與「組合」的式子449Please respect copyright.ＰＥＮＡＮＡadIqEkewJP
「排列」和「組合」的符號是「P」和「C」449Please respect copyright.ＰＥＮＡＮＡbxsKCPbIQO
運用「排列」和「組合」排班表449Please respect copyright.ＰＥＮＡＮＡAffbDBayTg
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第四課 搞懂「離散值」和「標準差」449Please respect copyright.ＰＥＮＡＮＡydhiDFBj0L
資訊分析的基礎是找到「數據的規則」449Please respect copyright.ＰＥＮＡＮＡJb0KvvsRF2
兩個步驟找出離散程度449Please respect copyright.ＰＥＮＡＮＡqx1jyVpmFs
平均、分散、標準差的深～度關係449Please respect copyright.ＰＥＮＡＮＡ1KGobvc4bt
平均、離散、標準差的記號449Please respect copyright.ＰＥＮＡＮＡfBX505OVEa
試著用Excel計算標準差449Please respect copyright.ＰＥＮＡＮＡ3tVrYnuv1U
也把「偏差值」的計算公式記起來449Please respect copyright.ＰＥＮＡＮＡ6bB6uP8PqC
附註內容①深奧的平均世界449Please respect copyright.ＰＥＮＡＮＡJa9jvEly4R
附註內容②平均值、中位數、眾數449Please respect copyright.ＰＥＮＡＮＡRWSS1PaD9I
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第三天 超爽快！掌握高中文組數學的「分析」！449Please respect copyright.ＰＥＮＡＮＡ4kzfKtFIBI
第一課 豁然開朗！函數的世界449Please respect copyright.ＰＥＮＡＮＡLx2HfKYOl8
函數與方程式的差別？449Please respect copyright.ＰＥＮＡＮＡiaNIede8yr
高中數學的4種函數449Please respect copyright.ＰＥＮＡＮＡ5PlyirEZom
Column少年西成的理科腦情書449Please respect copyright.ＰＥＮＡＮＡDu9iUfuOSc
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第二課 來複習二次函數！449Please respect copyright.ＰＥＮＡＮＡ8S55VoRCYf
速速複習！二次方程式449Please respect copyright.ＰＥＮＡＮＡbBtMht5dsK
畫出二次函數的圖形！449Please respect copyright.ＰＥＮＡＮＡqkRHhtHfF5
Column 物理學家是名偵探449Please respect copyright.ＰＥＮＡＮＡ6NkchReAPk
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第三課 指數函數超好用！449Please respect copyright.ＰＥＮＡＮＡvwqjhQJhvX
記住指數函數的相關用語449Please respect copyright.ＰＥＮＡＮＡBPGZcTEoTD
基本規則①乘冪相乘時，指數相加449Please respect copyright.ＰＥＮＡＮＡyhiPzFrvmr
基本規則②乘冪再乘冪時，指數相乘449Please respect copyright.ＰＥＮＡＮＡ74tLYGWHxI
基本規則③乘冪相除時，指數相減449Please respect copyright.ＰＥＮＡＮＡaM9RLEp28P
指數是負數時會怎樣？449Please respect copyright.ＰＥＮＡＮＡhYZbSkomE1
指數是「0」的時候會怎樣？449Please respect copyright.ＰＥＮＡＮＡ4UbAh4MNiZ
根號可以轉換成指數運算449Please respect copyright.ＰＥＮＡＮＡhqPkFSYWzT
統整指數運算的處理方式449Please respect copyright.ＰＥＮＡＮＡYm8R6sHGb1
將指數函數做成圖形看看！449Please respect copyright.ＰＥＮＡＮＡFs0Xq3Rxlt
順便來談談「對數函數」的內容449Please respect copyright.ＰＥＮＡＮＡ5tundR11XK
天文數字也可以處理的對數函數449Please respect copyright.ＰＥＮＡＮＡr5qiwHidho
指數函數與音樂的深～度關係449Please respect copyright.ＰＥＮＡＮＡ9KDXPb8VCf
用iPhone計算指數函數的方法449Please respect copyright.ＰＥＮＡＮＡluUSXS8YAN
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第四天 秒懂高中數學的「幾何」精髓！449Please respect copyright.ＰＥＮＡＮＡBbk6iZPGbw
第一課 不再霧煞煞的「三角比」449Please respect copyright.ＰＥＮＡＮＡm3ShpXBBGI
以餘弦定理搞懂三角形449Please respect copyright.ＰＥＮＡＮＡofQpUX8g1f
畫三角形的「西成流」作法449Please respect copyright.ＰＥＮＡＮＡH0NH9aLZl4
sin、cos、tan是指「邊長比」449Please respect copyright.ＰＥＮＡＮＡCC37qxBd6U
忘掉tan的存在吧！449Please respect copyright.ＰＥＮＡＮＡSPvtJyBZFF
直角三角形的定義中必要的θ449Please respect copyright.ＰＥＮＡＮＡ33B1aj3GnX
三角比經常出現的陷阱題449Please respect copyright.ＰＥＮＡＮＡwdM09I5zgE
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第二課 俐落導出餘弦定理公式449Please respect copyright.ＰＥＮＡＮＡOsMoTlkp4V
用三角比可以做的事449Please respect copyright.ＰＥＮＡＮＡd6dJmiU6vP
導出餘弦定理①事前準備449Please respect copyright.ＰＥＮＡＮＡoGpspCAOMh
導出餘弦定理②成立公式、解開449Please respect copyright.ＰＥＮＡＮＡO9hPQiS6bb
導出餘弦定理③證明sin2θ+ cos2θ= 1449Please respect copyright.ＰＥＮＡＮＡ8Ig6J4nCLk
導出餘弦定理④完成449Please respect copyright.ＰＥＮＡＮＡCHvl0SK0lW
餘弦定理與畢氏定理的關係449Please respect copyright.ＰＥＮＡＮＡDq9D4EP385
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第三課 學習最後的分析工具「三角函數」！449Please respect copyright.ＰＥＮＡＮＡFGWts7l86c
三角函數只是將θ與y的關係圖像化449Please respect copyright.ＰＥＮＡＮＡiAEqswRhg2
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第五天 特別課程①：幾何的最終武器「向量」！449Please respect copyright.ＰＥＮＡＮＡFgum8VTe1b
第一課 偉大的「向量」449Please respect copyright.ＰＥＮＡＮＡTwFzAll9Co
用代數解幾何問題！？449Please respect copyright.ＰＥＮＡＮＡA6fFVLNSv5
「短短數行」就能證明餘弦定理449Please respect copyright.ＰＥＮＡＮＡgrmRGsdWdx
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第二課 了解「向量」的超嶄新概念449Please respect copyright.ＰＥＮＡＮＡ3wA7Jr4uzX
向量是集結兩種資訊的「特殊容器」449Please respect copyright.ＰＥＮＡＮＡpUEIL4DT5V
眾所熟知的「純量」449Please respect copyright.ＰＥＮＡＮＡn3patlZIcN
數據時代的主角「張量」449Please respect copyright.ＰＥＮＡＮＡ7ZLUnWvdHm
為什麼我們需要向量？449Please respect copyright.ＰＥＮＡＮＡVjY0Z1cPcF
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第三課 「向量」是用箭頭當作記號唷449Please respect copyright.ＰＥＮＡＮＡtcrSMSB65f
向量的書寫規則449Please respect copyright.ＰＥＮＡＮＡrayztt6nsc
張量的畫法449Please respect copyright.ＰＥＮＡＮＡLVvCMXb74n
試著把向量畫成圖449Please respect copyright.ＰＥＮＡＮＡy08PU1BXvS
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第四課 「向量」的計算超簡單！449Please respect copyright.ＰＥＮＡＮＡGwmiSOaG9O
來算算向量的加法吧449Please respect copyright.ＰＥＮＡＮＡlFIU96xrv5
也來算算向量的減法449Please respect copyright.ＰＥＮＡＮＡJfvUrznOwj
試著分解向量吧449Please respect copyright.ＰＥＮＡＮＡhkVcSHD0re
試著挑戰向量的乘法449Please respect copyright.ＰＥＮＡＮＡev2Y3YzHoM
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第五課 靠「向量」秒殺餘弦定理！449Please respect copyright.ＰＥＮＡＮＡF9rQ2W9AbE
用向量瞬間導出餘弦定理！449Please respect copyright.ＰＥＮＡＮＡtjFNxjuzYG
不論幾次元都能處理的向量449Please respect copyright.ＰＥＮＡＮＡpNlj5tF3GT
Column少年來了！（前篇）449Please respect copyright.ＰＥＮＡＮＡMnU7HBVKoa
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第6天 特別課程②：用「微積分」預測未來！449Please respect copyright.ＰＥＮＡＮＡr1Io5KhLPr
第一課 人類的寶物！了解微分積分449Please respect copyright.ＰＥＮＡＮＡF8G1eRuPqM
微分積分與函數的關係449Please respect copyright.ＰＥＮＡＮＡwqkyIxoDqz
今天的主題是「三角形面積」449Please respect copyright.ＰＥＮＡＮＡFhR8FGYvzo
牛頓VS萊布尼茲的仁義之戰449Please respect copyright.ＰＥＮＡＮＡcjYw2IZ4U4
怎麼區分最合適？449Please respect copyright.ＰＥＮＡＮＡSZJIdjwCp7
用微積分計算三角形的面積！449Please respect copyright.ＰＥＮＡＮＡCEiNDbCpBg
來認識微分積分的符號449Please respect copyright.ＰＥＮＡＮＡDy28dd5tpC
Column少年來了！（後篇）449Please respect copyright.ＰＥＮＡＮＡAHRPpitPuW
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第二課 用Excel預測未來！449Please respect copyright.ＰＥＮＡＮＡPrDzTae0ja
現代人，用Excel就能預測未來449Please respect copyright.ＰＥＮＡＮＡIGx15M4hp9
掌握Excel的使用方法！449Please respect copyright.ＰＥＮＡＮＡASD7IEAspj
「數學家」、「AI」、「統計學家」的差別449Please respect copyright.ＰＥＮＡＮＡevUn9uz0MC
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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！！
ns216.73.216.254da2
然後按「加至主畫面」