【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150Please respect copyright.ＰＥＮＡＮＡUeYjzcSDZL
登場人物介紹150Please respect copyright.ＰＥＮＡＮＡkzCPr4pmwo
150Please respect copyright.ＰＥＮＡＮＡAJRjfaaWSH
第一天 數學的樂趣在哪裡？150Please respect copyright.ＰＥＮＡＮＡ40nermQoSp
第一課 其實並不可怕的高中數學150Please respect copyright.ＰＥＮＡＮＡgyASacP2Y3
好想學真正實用的數學！150Please respect copyright.ＰＥＮＡＮＡp3ZSrD15TM
高中數學比國中數學還簡單！？150Please respect copyright.ＰＥＮＡＮＡG8sum1ntID
150Please respect copyright.ＰＥＮＡＮＡkQLfEH5xCp
第二課 超精簡的創新數學課！150Please respect copyright.ＰＥＮＡＮＡUqP0OQ4ZZp
果斷刪去八成教科書內容！150Please respect copyright.ＰＥＮＡＮＡCr8H9FWr6J
世界首創！「西成流」數學分類法150Please respect copyright.ＰＥＮＡＮＡzgQwbYdPgp
高中數學中最輕鬆的是「代數」150Please respect copyright.ＰＥＮＡＮＡ75XwAA2tbx
高中數學的顛峰是「微分積分」150Please respect copyright.ＰＥＮＡＮＡ0D6m53gdWv
超好用的工具「餘弦定理」150Please respect copyright.ＰＥＮＡＮＡFluFd5Y9ak
真正的幾何大魔王是「向量」150Please respect copyright.ＰＥＮＡＮＡ7VweFM3kVn
Column文組無法理解數學的理由150Please respect copyright.ＰＥＮＡＮＡOzoHiiNwkM
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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！！150Please respect copyright.ＰＥＮＡＮＡz5nkN7mJcw
第一課 速速學會統計學基礎150Please respect copyright.ＰＥＮＡＮＡiJ8VoHqbb5
數據處理的3大必備條件150Please respect copyright.ＰＥＮＡＮＡ8mG7VM3k1i
為什麼增加個數很好用？150Please respect copyright.ＰＥＮＡＮＡteWq5JyVgm
「排列組合」是指什麼？150Please respect copyright.ＰＥＮＡＮＡYRp89vwpR2
看離散程度的「標準差」150Please respect copyright.ＰＥＮＡＮＡqIT9vAKKor
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第二課 記住「數列相加」的方法150Please respect copyright.ＰＥＮＡＮＡPLh7ImP0vw
天才高斯少年發現的「倒序相加」150Please respect copyright.ＰＥＮＡＮＡBNg3BPfYH2
超好用！任何等差數列都能用150Please respect copyright.ＰＥＮＡＮＡB6kUia4F9m
嚴禁直接死背公式！150Please respect copyright.ＰＥＮＡＮＡ35NQeXQHKf
導出等差數列和的公式150Please respect copyright.ＰＥＮＡＮＡeuxa9z9Rqq
豐臣秀吉被擺了一道！數學變黃金的故事150Please respect copyright.ＰＥＮＡＮＡkhHW4D9i1k
等比數列是「相乘後錯位相減」150Please respect copyright.ＰＥＮＡＮＡ1T890S05LP
導出等比數列和的公式150Please respect copyright.ＰＥＮＡＮＡakLKQMMJYR
先知道處理數列和的符號！150Please respect copyright.ＰＥＮＡＮＡrqiK0kBIpZ
Column把數學記號當作是念魔咒150Please respect copyright.ＰＥＮＡＮＡOjKyOnEe6V
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第三課 記住「排列組合法」150Please respect copyright.ＰＥＮＡＮＡzliTO5DWZg
從賽馬了解「排列」與「組合」150Please respect copyright.ＰＥＮＡＮＡAux4Y3UB3D
Step①了解階乘的計算方法150Please respect copyright.ＰＥＮＡＮＡVf6cbROtsO
Step②了解排列的計算方法150Please respect copyright.ＰＥＮＡＮＡoFZx9Bdo9u
Step③了解組合的計算方法150Please respect copyright.ＰＥＮＡＮＡbKG6yICzZg
了解「排列」與「組合」的式子150Please respect copyright.ＰＥＮＡＮＡsA9JU32Qst
「排列」和「組合」的符號是「P」和「C」150Please respect copyright.ＰＥＮＡＮＡRgq91kS5jK
運用「排列」和「組合」排班表150Please respect copyright.ＰＥＮＡＮＡ1fWwjqisDv
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第四課 搞懂「離散值」和「標準差」150Please respect copyright.ＰＥＮＡＮＡztT67o0vuE
資訊分析的基礎是找到「數據的規則」150Please respect copyright.ＰＥＮＡＮＡdlmZiUjhgZ
兩個步驟找出離散程度150Please respect copyright.ＰＥＮＡＮＡwM7cUwMiz9
平均、分散、標準差的深～度關係150Please respect copyright.ＰＥＮＡＮＡNtDJE9M2jh
平均、離散、標準差的記號150Please respect copyright.ＰＥＮＡＮＡBWz1bKTkbq
試著用Excel計算標準差150Please respect copyright.ＰＥＮＡＮＡJQgh9WbI8z
也把「偏差值」的計算公式記起來150Please respect copyright.ＰＥＮＡＮＡ2VVGTYrAfW
附註內容①深奧的平均世界150Please respect copyright.ＰＥＮＡＮＡN7Swpbez2c
附註內容②平均值、中位數、眾數150Please respect copyright.ＰＥＮＡＮＡbORp9RdOvK
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第三天 超爽快！掌握高中文組數學的「分析」！150Please respect copyright.ＰＥＮＡＮＡCPemCnbbKE
第一課 豁然開朗！函數的世界150Please respect copyright.ＰＥＮＡＮＡSfqaZyuOoq
函數與方程式的差別？150Please respect copyright.ＰＥＮＡＮＡCpkC41k51l
高中數學的4種函數150Please respect copyright.ＰＥＮＡＮＡSU3o0GQ5Bg
Column少年西成的理科腦情書150Please respect copyright.ＰＥＮＡＮＡSqvmN1oxFr
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第二課 來複習二次函數！150Please respect copyright.ＰＥＮＡＮＡlHCSUq5pwh
速速複習！二次方程式150Please respect copyright.ＰＥＮＡＮＡE7u450dPqR
畫出二次函數的圖形！150Please respect copyright.ＰＥＮＡＮＡH1EFYp0f1r
Column 物理學家是名偵探150Please respect copyright.ＰＥＮＡＮＡeYruNY9sPC
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第三課 指數函數超好用！150Please respect copyright.ＰＥＮＡＮＡcwnxTezR5m
記住指數函數的相關用語150Please respect copyright.ＰＥＮＡＮＡ1MSBowtyUX
基本規則①乘冪相乘時，指數相加150Please respect copyright.ＰＥＮＡＮＡTRvRcPV3EM
基本規則②乘冪再乘冪時，指數相乘150Please respect copyright.ＰＥＮＡＮＡi3NZtlCsQo
基本規則③乘冪相除時，指數相減150Please respect copyright.ＰＥＮＡＮＡx00bZlshmj
指數是負數時會怎樣？150Please respect copyright.ＰＥＮＡＮＡcs2pbHxPWX
指數是「0」的時候會怎樣？150Please respect copyright.ＰＥＮＡＮＡljKckaWKG9
根號可以轉換成指數運算150Please respect copyright.ＰＥＮＡＮＡZQ7cmxlRlP
統整指數運算的處理方式150Please respect copyright.ＰＥＮＡＮＡENNKZZswrW
將指數函數做成圖形看看！150Please respect copyright.ＰＥＮＡＮＡUVVtpbrH4H
順便來談談「對數函數」的內容150Please respect copyright.ＰＥＮＡＮＡdVrhYl2riR
天文數字也可以處理的對數函數150Please respect copyright.ＰＥＮＡＮＡSwSlJt5KSQ
指數函數與音樂的深～度關係150Please respect copyright.ＰＥＮＡＮＡUu1t8fwbZv
用iPhone計算指數函數的方法150Please respect copyright.ＰＥＮＡＮＡRKV7JYBnn7
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第四天 秒懂高中數學的「幾何」精髓！150Please respect copyright.ＰＥＮＡＮＡfH4dWXTHzj
第一課 不再霧煞煞的「三角比」150Please respect copyright.ＰＥＮＡＮＡ50ap8Xdz2j
以餘弦定理搞懂三角形150Please respect copyright.ＰＥＮＡＮＡ7KjL26p2qe
畫三角形的「西成流」作法150Please respect copyright.ＰＥＮＡＮＡUsjvEEPlW8
sin、cos、tan是指「邊長比」150Please respect copyright.ＰＥＮＡＮＡDu8k5UwjwY
忘掉tan的存在吧！150Please respect copyright.ＰＥＮＡＮＡ6pK52dhYzt
直角三角形的定義中必要的θ150Please respect copyright.ＰＥＮＡＮＡrdf2s4kUyQ
三角比經常出現的陷阱題150Please respect copyright.ＰＥＮＡＮＡald5liz4Xo
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第二課 俐落導出餘弦定理公式150Please respect copyright.ＰＥＮＡＮＡwNfNpTTs4q
用三角比可以做的事150Please respect copyright.ＰＥＮＡＮＡ9KZCDVno8V
導出餘弦定理①事前準備150Please respect copyright.ＰＥＮＡＮＡxifkleq73W
導出餘弦定理②成立公式、解開150Please respect copyright.ＰＥＮＡＮＡu8sgdWNE5y
導出餘弦定理③證明sin2θ+ cos2θ= 1150Please respect copyright.ＰＥＮＡＮＡYTyH5PI1eI
導出餘弦定理④完成150Please respect copyright.ＰＥＮＡＮＡH02dIoe4wF
餘弦定理與畢氏定理的關係150Please respect copyright.ＰＥＮＡＮＡv4jSuaHE87
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第三課 學習最後的分析工具「三角函數」！150Please respect copyright.ＰＥＮＡＮＡCoFk75JHRe
三角函數只是將θ與y的關係圖像化150Please respect copyright.ＰＥＮＡＮＡnEqQqNCktk
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第五天 特別課程①：幾何的最終武器「向量」！150Please respect copyright.ＰＥＮＡＮＡPqbroL1DV2
第一課 偉大的「向量」150Please respect copyright.ＰＥＮＡＮＡvu7RRezYtf
用代數解幾何問題！？150Please respect copyright.ＰＥＮＡＮＡt0RViEGF05
「短短數行」就能證明餘弦定理150Please respect copyright.ＰＥＮＡＮＡAZoRxxncMi
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第二課 了解「向量」的超嶄新概念150Please respect copyright.ＰＥＮＡＮＡPqq7VTTeCV
向量是集結兩種資訊的「特殊容器」150Please respect copyright.ＰＥＮＡＮＡE0U9HARbLJ
眾所熟知的「純量」150Please respect copyright.ＰＥＮＡＮＡg387Pbtepy
數據時代的主角「張量」150Please respect copyright.ＰＥＮＡＮＡLimXD3FFxw
為什麼我們需要向量？150Please respect copyright.ＰＥＮＡＮＡIZ69udlL6P
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第三課 「向量」是用箭頭當作記號唷150Please respect copyright.ＰＥＮＡＮＡuS5pHGBAIV
向量的書寫規則150Please respect copyright.ＰＥＮＡＮＡxpXxtIqHiX
張量的畫法150Please respect copyright.ＰＥＮＡＮＡQ5gKO0ePd0
試著把向量畫成圖150Please respect copyright.ＰＥＮＡＮＡCOaf5IF5GW
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第四課 「向量」的計算超簡單！150Please respect copyright.ＰＥＮＡＮＡfIr0wkK5At
來算算向量的加法吧150Please respect copyright.ＰＥＮＡＮＡbXc91djHKw
也來算算向量的減法150Please respect copyright.ＰＥＮＡＮＡkBea7FXT7H
試著分解向量吧150Please respect copyright.ＰＥＮＡＮＡfXPinHSosP
試著挑戰向量的乘法150Please respect copyright.ＰＥＮＡＮＡiR2do6UGuo
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第五課 靠「向量」秒殺餘弦定理！150Please respect copyright.ＰＥＮＡＮＡOjG37lbzKi
用向量瞬間導出餘弦定理！150Please respect copyright.ＰＥＮＡＮＡAxKd9DBYX7
不論幾次元都能處理的向量150Please respect copyright.ＰＥＮＡＮＡKJ0m26afYt
Column少年來了！（前篇）150Please respect copyright.ＰＥＮＡＮＡJHWX2hXqKY
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第6天 特別課程②：用「微積分」預測未來！150Please respect copyright.ＰＥＮＡＮＡgG5EjBzzcq
第一課 人類的寶物！了解微分積分150Please respect copyright.ＰＥＮＡＮＡ7Bt8WOko2c
微分積分與函數的關係150Please respect copyright.ＰＥＮＡＮＡKQcJgsA96b
今天的主題是「三角形面積」150Please respect copyright.ＰＥＮＡＮＡjUxp2esecI
牛頓VS萊布尼茲的仁義之戰150Please respect copyright.ＰＥＮＡＮＡMYbtYCgQSN
怎麼區分最合適？150Please respect copyright.ＰＥＮＡＮＡDBWmzMqI1E
用微積分計算三角形的面積！150Please respect copyright.ＰＥＮＡＮＡBKLqShDpwA
來認識微分積分的符號150Please respect copyright.ＰＥＮＡＮＡ8lkxVKEbYy
Column少年來了！（後篇）150Please respect copyright.ＰＥＮＡＮＡ9oAib3Gket
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第二課 用Excel預測未來！150Please respect copyright.ＰＥＮＡＮＡiYx1bR2m0E
現代人，用Excel就能預測未來150Please respect copyright.ＰＥＮＡＮＡNFUX3Yc8CM
掌握Excel的使用方法！150Please respect copyright.ＰＥＮＡＮＡFXymugcK7p
「數學家」、「AI」、「統計學家」的差別150Please respect copyright.ＰＥＮＡＮＡRON6D9F1Ws
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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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