【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227Please respect copyright.ＰＥＮＡＮＡ69WryvCTKE
登場人物介紹227Please respect copyright.ＰＥＮＡＮＡcME6Lki2Ff
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第一天 數學的樂趣在哪裡？227Please respect copyright.ＰＥＮＡＮＡX4yiIutOdd
第一課 其實並不可怕的高中數學227Please respect copyright.ＰＥＮＡＮＡ1wbMQenJ4o
好想學真正實用的數學！227Please respect copyright.ＰＥＮＡＮＡvfYlgt3yDr
高中數學比國中數學還簡單！？227Please respect copyright.ＰＥＮＡＮＡ0TN25apFDt
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第二課 超精簡的創新數學課！227Please respect copyright.ＰＥＮＡＮＡ8KU3LJQtWW
果斷刪去八成教科書內容！227Please respect copyright.ＰＥＮＡＮＡ1SfD2IIXAy
世界首創！「西成流」數學分類法227Please respect copyright.ＰＥＮＡＮＡraGi38WD5t
高中數學中最輕鬆的是「代數」227Please respect copyright.ＰＥＮＡＮＡrjWVKqWgra
高中數學的顛峰是「微分積分」227Please respect copyright.ＰＥＮＡＮＡu211SB0N9m
超好用的工具「餘弦定理」227Please respect copyright.ＰＥＮＡＮＡk7AIyLXiTO
真正的幾何大魔王是「向量」227Please respect copyright.ＰＥＮＡＮＡ7qNDqUpzNO
Column文組無法理解數學的理由227Please respect copyright.ＰＥＮＡＮＡhRg5eRuhOH
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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！！227Please respect copyright.ＰＥＮＡＮＡ0ZLTygHxVG
第一課 速速學會統計學基礎227Please respect copyright.ＰＥＮＡＮＡzPeJ9LP1qB
數據處理的3大必備條件227Please respect copyright.ＰＥＮＡＮＡD7g01KOqDx
為什麼增加個數很好用？227Please respect copyright.ＰＥＮＡＮＡLshDOm1tUs
「排列組合」是指什麼？227Please respect copyright.ＰＥＮＡＮＡEflPW2oZmN
看離散程度的「標準差」227Please respect copyright.ＰＥＮＡＮＡ1IgZX3bM6b
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第二課 記住「數列相加」的方法227Please respect copyright.ＰＥＮＡＮＡBoSzEX2GFu
天才高斯少年發現的「倒序相加」227Please respect copyright.ＰＥＮＡＮＡReyfI0Y6R0
超好用！任何等差數列都能用227Please respect copyright.ＰＥＮＡＮＡlGdBGik50v
嚴禁直接死背公式！227Please respect copyright.ＰＥＮＡＮＡ14xCWCaMhA
導出等差數列和的公式227Please respect copyright.ＰＥＮＡＮＡMM9PCkuetZ
豐臣秀吉被擺了一道！數學變黃金的故事227Please respect copyright.ＰＥＮＡＮＡRrhLTr0bcA
等比數列是「相乘後錯位相減」227Please respect copyright.ＰＥＮＡＮＡmGrxCYvhFw
導出等比數列和的公式227Please respect copyright.ＰＥＮＡＮＡcUgzFxG2kz
先知道處理數列和的符號！227Please respect copyright.ＰＥＮＡＮＡCSAJZbN10C
Column把數學記號當作是念魔咒227Please respect copyright.ＰＥＮＡＮＡ896R2esAvJ
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第三課 記住「排列組合法」227Please respect copyright.ＰＥＮＡＮＡYUYgz5M1rL
從賽馬了解「排列」與「組合」227Please respect copyright.ＰＥＮＡＮＡfqrIp3nokd
Step①了解階乘的計算方法227Please respect copyright.ＰＥＮＡＮＡGBbESKawc5
Step②了解排列的計算方法227Please respect copyright.ＰＥＮＡＮＡNZh5slCQx8
Step③了解組合的計算方法227Please respect copyright.ＰＥＮＡＮＡhkJ8FFCjvB
了解「排列」與「組合」的式子227Please respect copyright.ＰＥＮＡＮＡbeAKPiuDlG
「排列」和「組合」的符號是「P」和「C」227Please respect copyright.ＰＥＮＡＮＡg1DJEA1xPa
運用「排列」和「組合」排班表227Please respect copyright.ＰＥＮＡＮＡzmndJ2u18B
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第四課 搞懂「離散值」和「標準差」227Please respect copyright.ＰＥＮＡＮＡNrJknXP3nJ
資訊分析的基礎是找到「數據的規則」227Please respect copyright.ＰＥＮＡＮＡuOxQij9Gfy
兩個步驟找出離散程度227Please respect copyright.ＰＥＮＡＮＡ87dY2Wmh4y
平均、分散、標準差的深～度關係227Please respect copyright.ＰＥＮＡＮＡdZAeWIXHHW
平均、離散、標準差的記號227Please respect copyright.ＰＥＮＡＮＡhMA6BReRKn
試著用Excel計算標準差227Please respect copyright.ＰＥＮＡＮＡUT3BlK8Pu3
也把「偏差值」的計算公式記起來227Please respect copyright.ＰＥＮＡＮＡYIFxQ43Yti
附註內容①深奧的平均世界227Please respect copyright.ＰＥＮＡＮＡU3QAWtJ4SX
附註內容②平均值、中位數、眾數227Please respect copyright.ＰＥＮＡＮＡAojJnUV1fA
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第三天 超爽快！掌握高中文組數學的「分析」！227Please respect copyright.ＰＥＮＡＮＡDrPohPFWgs
第一課 豁然開朗！函數的世界227Please respect copyright.ＰＥＮＡＮＡFo8BWxIbit
函數與方程式的差別？227Please respect copyright.ＰＥＮＡＮＡFMRgDgBfdz
高中數學的4種函數227Please respect copyright.ＰＥＮＡＮＡZeKHJpvVMo
Column少年西成的理科腦情書227Please respect copyright.ＰＥＮＡＮＡ3ukqwYK4OG
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第二課 來複習二次函數！227Please respect copyright.ＰＥＮＡＮＡxJ3q0OIL1G
速速複習！二次方程式227Please respect copyright.ＰＥＮＡＮＡmNBse6bVHi
畫出二次函數的圖形！227Please respect copyright.ＰＥＮＡＮＡeJw3BZV9Hs
Column 物理學家是名偵探227Please respect copyright.ＰＥＮＡＮＡ3LIeofvM7U
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第三課 指數函數超好用！227Please respect copyright.ＰＥＮＡＮＡCpkkQHPpxm
記住指數函數的相關用語227Please respect copyright.ＰＥＮＡＮＡm6mtfbxeMb
基本規則①乘冪相乘時，指數相加227Please respect copyright.ＰＥＮＡＮＡjS0d2IQx2c
基本規則②乘冪再乘冪時，指數相乘227Please respect copyright.ＰＥＮＡＮＡePuS5NyT3b
基本規則③乘冪相除時，指數相減227Please respect copyright.ＰＥＮＡＮＡGT2p8NO6HG
指數是負數時會怎樣？227Please respect copyright.ＰＥＮＡＮＡty9QSjEaeN
指數是「0」的時候會怎樣？227Please respect copyright.ＰＥＮＡＮＡhdaAR9UTcV
根號可以轉換成指數運算227Please respect copyright.ＰＥＮＡＮＡi9TTKN98Az
統整指數運算的處理方式227Please respect copyright.ＰＥＮＡＮＡaZngIjDJTH
將指數函數做成圖形看看！227Please respect copyright.ＰＥＮＡＮＡ3pQOQjmuYu
順便來談談「對數函數」的內容227Please respect copyright.ＰＥＮＡＮＡQ45ge8PjIm
天文數字也可以處理的對數函數227Please respect copyright.ＰＥＮＡＮＡt9ATC7nOeV
指數函數與音樂的深～度關係227Please respect copyright.ＰＥＮＡＮＡltkyPIQtkZ
用iPhone計算指數函數的方法227Please respect copyright.ＰＥＮＡＮＡCWyQVldyXH
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第四天 秒懂高中數學的「幾何」精髓！227Please respect copyright.ＰＥＮＡＮＡsD9pGii6J7
第一課 不再霧煞煞的「三角比」227Please respect copyright.ＰＥＮＡＮＡZ8wZZa8V6g
以餘弦定理搞懂三角形227Please respect copyright.ＰＥＮＡＮＡ4eN4uW3Kus
畫三角形的「西成流」作法227Please respect copyright.ＰＥＮＡＮＡx0w3Af578B
sin、cos、tan是指「邊長比」227Please respect copyright.ＰＥＮＡＮＡXfOwcKdDAQ
忘掉tan的存在吧！227Please respect copyright.ＰＥＮＡＮＡpYe9W3LAmN
直角三角形的定義中必要的θ227Please respect copyright.ＰＥＮＡＮＡu9t7qF9GF0
三角比經常出現的陷阱題227Please respect copyright.ＰＥＮＡＮＡ4FNiCZzgvB
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第二課 俐落導出餘弦定理公式227Please respect copyright.ＰＥＮＡＮＡtLWCFypqHt
用三角比可以做的事227Please respect copyright.ＰＥＮＡＮＡFX2RbwbSQk
導出餘弦定理①事前準備227Please respect copyright.ＰＥＮＡＮＡFFNeQBeIiR
導出餘弦定理②成立公式、解開227Please respect copyright.ＰＥＮＡＮＡVld9tjwJor
導出餘弦定理③證明sin2θ+ cos2θ= 1227Please respect copyright.ＰＥＮＡＮＡx6wS5WeaBR
導出餘弦定理④完成227Please respect copyright.ＰＥＮＡＮＡCCiXuhByv8
餘弦定理與畢氏定理的關係227Please respect copyright.ＰＥＮＡＮＡSWCBZn3ZYt
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第三課 學習最後的分析工具「三角函數」！227Please respect copyright.ＰＥＮＡＮＡqgYsUbdpGw
三角函數只是將θ與y的關係圖像化227Please respect copyright.ＰＥＮＡＮＡta8fNEeOih
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第五天 特別課程①：幾何的最終武器「向量」！227Please respect copyright.ＰＥＮＡＮＡxOkQFpq4Ls
第一課 偉大的「向量」227Please respect copyright.ＰＥＮＡＮＡDNypJpUJWY
用代數解幾何問題！？227Please respect copyright.ＰＥＮＡＮＡvwqXBiVelj
「短短數行」就能證明餘弦定理227Please respect copyright.ＰＥＮＡＮＡbIR8WOSkr3
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第二課 了解「向量」的超嶄新概念227Please respect copyright.ＰＥＮＡＮＡKL795kn3Vr
向量是集結兩種資訊的「特殊容器」227Please respect copyright.ＰＥＮＡＮＡ4eBtSFEA4f
眾所熟知的「純量」227Please respect copyright.ＰＥＮＡＮＡT25vDRBPve
數據時代的主角「張量」227Please respect copyright.ＰＥＮＡＮＡVj0gmxd9PD
為什麼我們需要向量？227Please respect copyright.ＰＥＮＡＮＡ8YChzndH4M
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第三課 「向量」是用箭頭當作記號唷227Please respect copyright.ＰＥＮＡＮＡF2BByIucox
向量的書寫規則227Please respect copyright.ＰＥＮＡＮＡoVVRQCprzs
張量的畫法227Please respect copyright.ＰＥＮＡＮＡtwApQyOhfU
試著把向量畫成圖227Please respect copyright.ＰＥＮＡＮＡJBKlmWNNLy
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第四課 「向量」的計算超簡單！227Please respect copyright.ＰＥＮＡＮＡdRaQhg4AiQ
來算算向量的加法吧227Please respect copyright.ＰＥＮＡＮＡb6DJXgU2Jb
也來算算向量的減法227Please respect copyright.ＰＥＮＡＮＡgBzscXS3Bo
試著分解向量吧227Please respect copyright.ＰＥＮＡＮＡ6bx4KYzY5r
試著挑戰向量的乘法227Please respect copyright.ＰＥＮＡＮＡx8KLmIK9ux
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第五課 靠「向量」秒殺餘弦定理！227Please respect copyright.ＰＥＮＡＮＡ21aHmrMmBg
用向量瞬間導出餘弦定理！227Please respect copyright.ＰＥＮＡＮＡjbWW9prEan
不論幾次元都能處理的向量227Please respect copyright.ＰＥＮＡＮＡoGTdsfuOdF
Column少年來了！（前篇）227Please respect copyright.ＰＥＮＡＮＡkZqS6SK0pA
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第6天 特別課程②：用「微積分」預測未來！227Please respect copyright.ＰＥＮＡＮＡ6bowehZGpA
第一課 人類的寶物！了解微分積分227Please respect copyright.ＰＥＮＡＮＡmivV8vsLSx
微分積分與函數的關係227Please respect copyright.ＰＥＮＡＮＡEyHn4m3K09
今天的主題是「三角形面積」227Please respect copyright.ＰＥＮＡＮＡi2PKhzCrcc
牛頓VS萊布尼茲的仁義之戰227Please respect copyright.ＰＥＮＡＮＡZ3nGISIOmJ
怎麼區分最合適？227Please respect copyright.ＰＥＮＡＮＡHqyjdM4Vm6
用微積分計算三角形的面積！227Please respect copyright.ＰＥＮＡＮＡsM2sFi0jVa
來認識微分積分的符號227Please respect copyright.ＰＥＮＡＮＡ3fl1mJrvEz
Column少年來了！（後篇）227Please respect copyright.ＰＥＮＡＮＡDteg5H7GX2
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第二課 用Excel預測未來！227Please respect copyright.ＰＥＮＡＮＡVjNWtJdPV8
現代人，用Excel就能預測未來227Please respect copyright.ＰＥＮＡＮＡmlbfVr956p
掌握Excel的使用方法！227Please respect copyright.ＰＥＮＡＮＡhp0SfG8rmY
「數學家」、「AI」、「統計學家」的差別227Please respect copyright.ＰＥＮＡＮＡDo8XOwKRQT
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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！！
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