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68Please respect copyright.ＰＥＮＡＮＡLV4hiBYHiw
登場人物介紹68Please respect copyright.ＰＥＮＡＮＡzfsJHUO9oA
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第一天 數學的樂趣在哪裡？68Please respect copyright.ＰＥＮＡＮＡDAHUtR12gL
第一課 其實並不可怕的高中數學68Please respect copyright.ＰＥＮＡＮＡjI5FulkMrC
好想學真正實用的數學！68Please respect copyright.ＰＥＮＡＮＡ2RAHVdfghh
高中數學比國中數學還簡單！？68Please respect copyright.ＰＥＮＡＮＡmlCToZkjDy
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第二課 超精簡的創新數學課！68Please respect copyright.ＰＥＮＡＮＡoaT4RpYPRt
果斷刪去八成教科書內容！68Please respect copyright.ＰＥＮＡＮＡOJ8HM67knf
世界首創！「西成流」數學分類法68Please respect copyright.ＰＥＮＡＮＡHnbMQ9QILu
高中數學中最輕鬆的是「代數」68Please respect copyright.ＰＥＮＡＮＡ5BQpXKoAAd
高中數學的顛峰是「微分積分」68Please respect copyright.ＰＥＮＡＮＡ36fBYw4NxZ
超好用的工具「餘弦定理」68Please respect copyright.ＰＥＮＡＮＡn2W3ZVRI3M
真正的幾何大魔王是「向量」68Please respect copyright.ＰＥＮＡＮＡnSOU3QFwuA
Column文組無法理解數學的理由68Please respect copyright.ＰＥＮＡＮＡbM4RJiKEGe
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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！！68Please respect copyright.ＰＥＮＡＮＡSs2Txo9A17
第一課 速速學會統計學基礎68Please respect copyright.ＰＥＮＡＮＡck9omRqhlq
數據處理的3大必備條件68Please respect copyright.ＰＥＮＡＮＡulFSPhKbWZ
為什麼增加個數很好用？68Please respect copyright.ＰＥＮＡＮＡJ4WSQgCZEr
「排列組合」是指什麼？68Please respect copyright.ＰＥＮＡＮＡu6wtpFEq3K
看離散程度的「標準差」68Please respect copyright.ＰＥＮＡＮＡUYmq5SCdvL
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第二課 記住「數列相加」的方法68Please respect copyright.ＰＥＮＡＮＡSvQDw37gS7
天才高斯少年發現的「倒序相加」68Please respect copyright.ＰＥＮＡＮＡiiC5ivuGDh
超好用！任何等差數列都能用68Please respect copyright.ＰＥＮＡＮＡNcvm1pk2Y4
嚴禁直接死背公式！68Please respect copyright.ＰＥＮＡＮＡZWBjIEFATC
導出等差數列和的公式68Please respect copyright.ＰＥＮＡＮＡAhXS68VZ47
豐臣秀吉被擺了一道！數學變黃金的故事68Please respect copyright.ＰＥＮＡＮＡNuNzIfHNeW
等比數列是「相乘後錯位相減」68Please respect copyright.ＰＥＮＡＮＡgO7xqvdos0
導出等比數列和的公式68Please respect copyright.ＰＥＮＡＮＡxDO20FtGHk
先知道處理數列和的符號！68Please respect copyright.ＰＥＮＡＮＡJAWiy2PSKc
Column把數學記號當作是念魔咒68Please respect copyright.ＰＥＮＡＮＡRsUjn0x6hy
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第三課 記住「排列組合法」68Please respect copyright.ＰＥＮＡＮＡf3y0YmFkyc
從賽馬了解「排列」與「組合」68Please respect copyright.ＰＥＮＡＮＡyZ12pwSYrC
Step①了解階乘的計算方法68Please respect copyright.ＰＥＮＡＮＡ9MVYzV2YkU
Step②了解排列的計算方法68Please respect copyright.ＰＥＮＡＮＡgFRLnxlPiL
Step③了解組合的計算方法68Please respect copyright.ＰＥＮＡＮＡCXfPtMeRJf
了解「排列」與「組合」的式子68Please respect copyright.ＰＥＮＡＮＡUyxQqvpjJW
「排列」和「組合」的符號是「P」和「C」68Please respect copyright.ＰＥＮＡＮＡLdzc4HahtQ
運用「排列」和「組合」排班表68Please respect copyright.ＰＥＮＡＮＡp0LYkBnenL
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第四課 搞懂「離散值」和「標準差」68Please respect copyright.ＰＥＮＡＮＡMappsZ5n9y
資訊分析的基礎是找到「數據的規則」68Please respect copyright.ＰＥＮＡＮＡvmUAUt3NyQ
兩個步驟找出離散程度68Please respect copyright.ＰＥＮＡＮＡm2CcWF1rVj
平均、分散、標準差的深～度關係68Please respect copyright.ＰＥＮＡＮＡ9hyczznTVD
平均、離散、標準差的記號68Please respect copyright.ＰＥＮＡＮＡkEhFvHFJOP
試著用Excel計算標準差68Please respect copyright.ＰＥＮＡＮＡh5CXfYjCEG
也把「偏差值」的計算公式記起來68Please respect copyright.ＰＥＮＡＮＡcKw2GMNkVr
附註內容①深奧的平均世界68Please respect copyright.ＰＥＮＡＮＡJrOfRZtvFg
附註內容②平均值、中位數、眾數68Please respect copyright.ＰＥＮＡＮＡx8uo18rAYo
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第三天 超爽快！掌握高中文組數學的「分析」！68Please respect copyright.ＰＥＮＡＮＡkqpnt5E0KG
第一課 豁然開朗！函數的世界68Please respect copyright.ＰＥＮＡＮＡ0Q4nTkt2qc
函數與方程式的差別？68Please respect copyright.ＰＥＮＡＮＡqph7FATt3X
高中數學的4種函數68Please respect copyright.ＰＥＮＡＮＡoMzoWFeEaN
Column少年西成的理科腦情書68Please respect copyright.ＰＥＮＡＮＡ1I3r6TuX3g
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第二課 來複習二次函數！68Please respect copyright.ＰＥＮＡＮＡRPr7FrIcAd
速速複習！二次方程式68Please respect copyright.ＰＥＮＡＮＡoWjz4H9TIn
畫出二次函數的圖形！68Please respect copyright.ＰＥＮＡＮＡIzHaIqtbef
Column 物理學家是名偵探68Please respect copyright.ＰＥＮＡＮＡE7dI7S2WBk
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第三課 指數函數超好用！68Please respect copyright.ＰＥＮＡＮＡv76kgFjnzG
記住指數函數的相關用語68Please respect copyright.ＰＥＮＡＮＡ5na3qzozWa
基本規則①乘冪相乘時，指數相加68Please respect copyright.ＰＥＮＡＮＡhip4CvCH0f
基本規則②乘冪再乘冪時，指數相乘68Please respect copyright.ＰＥＮＡＮＡkzpgvs0MWM
基本規則③乘冪相除時，指數相減68Please respect copyright.ＰＥＮＡＮＡiU4KLtd2JL
指數是負數時會怎樣？68Please respect copyright.ＰＥＮＡＮＡAHMzwV7TyS
指數是「0」的時候會怎樣？68Please respect copyright.ＰＥＮＡＮＡ6T2daIcCxo
根號可以轉換成指數運算68Please respect copyright.ＰＥＮＡＮＡhwvH6MFIXg
統整指數運算的處理方式68Please respect copyright.ＰＥＮＡＮＡ5uXNYiRy55
將指數函數做成圖形看看！68Please respect copyright.ＰＥＮＡＮＡjRROh4UquZ
順便來談談「對數函數」的內容68Please respect copyright.ＰＥＮＡＮＡLcnxZTHN5r
天文數字也可以處理的對數函數68Please respect copyright.ＰＥＮＡＮＡ3aR0DxUBTH
指數函數與音樂的深～度關係68Please respect copyright.ＰＥＮＡＮＡ2eJQsezlx0
用iPhone計算指數函數的方法68Please respect copyright.ＰＥＮＡＮＡmlgqIPDafd
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第四天 秒懂高中數學的「幾何」精髓！68Please respect copyright.ＰＥＮＡＮＡW3rCWvfWfr
第一課 不再霧煞煞的「三角比」68Please respect copyright.ＰＥＮＡＮＡjcp3wGnIP9
以餘弦定理搞懂三角形68Please respect copyright.ＰＥＮＡＮＡLPMlo4ZlqC
畫三角形的「西成流」作法68Please respect copyright.ＰＥＮＡＮＡKVXHwKnbDA
sin、cos、tan是指「邊長比」68Please respect copyright.ＰＥＮＡＮＡsYyxI120qe
忘掉tan的存在吧！68Please respect copyright.ＰＥＮＡＮＡoZBP2udO5F
直角三角形的定義中必要的θ68Please respect copyright.ＰＥＮＡＮＡ3ZgtcOIKJx
三角比經常出現的陷阱題68Please respect copyright.ＰＥＮＡＮＡK7wpuqLAsf
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第二課 俐落導出餘弦定理公式68Please respect copyright.ＰＥＮＡＮＡpFJaXGjO41
用三角比可以做的事68Please respect copyright.ＰＥＮＡＮＡm1WR6zFcId
導出餘弦定理①事前準備68Please respect copyright.ＰＥＮＡＮＡ516wb5j8BE
導出餘弦定理②成立公式、解開68Please respect copyright.ＰＥＮＡＮＡ3VLEz5gWSx
導出餘弦定理③證明sin2θ+ cos2θ= 168Please respect copyright.ＰＥＮＡＮＡ3JDQ2NBIZ6
導出餘弦定理④完成68Please respect copyright.ＰＥＮＡＮＡCkRlzYbOja
餘弦定理與畢氏定理的關係68Please respect copyright.ＰＥＮＡＮＡ0DU3p0Efa3
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第三課 學習最後的分析工具「三角函數」！68Please respect copyright.ＰＥＮＡＮＡtWqp8xWOCO
三角函數只是將θ與y的關係圖像化68Please respect copyright.ＰＥＮＡＮＡVRRGYcnypl
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第五天 特別課程①：幾何的最終武器「向量」！68Please respect copyright.ＰＥＮＡＮＡWf2Z0NLFNl
第一課 偉大的「向量」68Please respect copyright.ＰＥＮＡＮＡzNSrvI960w
用代數解幾何問題！？68Please respect copyright.ＰＥＮＡＮＡpCMRnPmLEB
「短短數行」就能證明餘弦定理68Please respect copyright.ＰＥＮＡＮＡU9wH4qxsSc
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第二課 了解「向量」的超嶄新概念68Please respect copyright.ＰＥＮＡＮＡZ3tkgvJ2od
向量是集結兩種資訊的「特殊容器」68Please respect copyright.ＰＥＮＡＮＡ09Q5BFm1iv
眾所熟知的「純量」68Please respect copyright.ＰＥＮＡＮＡMmO8OGa2wL
數據時代的主角「張量」68Please respect copyright.ＰＥＮＡＮＡmcSr1Agh8P
為什麼我們需要向量？68Please respect copyright.ＰＥＮＡＮＡD9nAFHph7g
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第三課 「向量」是用箭頭當作記號唷68Please respect copyright.ＰＥＮＡＮＡeNSNKiy7jc
向量的書寫規則68Please respect copyright.ＰＥＮＡＮＡSBYoCGwZID
張量的畫法68Please respect copyright.ＰＥＮＡＮＡtxrCDy6lFn
試著把向量畫成圖68Please respect copyright.ＰＥＮＡＮＡOm5X5uJDTd
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第四課 「向量」的計算超簡單！68Please respect copyright.ＰＥＮＡＮＡs6eDZJM6mF
來算算向量的加法吧68Please respect copyright.ＰＥＮＡＮＡkDNZfTCutC
也來算算向量的減法68Please respect copyright.ＰＥＮＡＮＡerDXsdURrL
試著分解向量吧68Please respect copyright.ＰＥＮＡＮＡ5EjvDD1W4u
試著挑戰向量的乘法68Please respect copyright.ＰＥＮＡＮＡyYo32e6zdd
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第五課 靠「向量」秒殺餘弦定理！68Please respect copyright.ＰＥＮＡＮＡhGmTpBj110
用向量瞬間導出餘弦定理！68Please respect copyright.ＰＥＮＡＮＡnkOI8eGcmN
不論幾次元都能處理的向量68Please respect copyright.ＰＥＮＡＮＡPaXmnkvfzU
Column少年來了！（前篇）68Please respect copyright.ＰＥＮＡＮＡAFm8DIPI5e
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第6天 特別課程②：用「微積分」預測未來！68Please respect copyright.ＰＥＮＡＮＡ1WMZ9JfwlU
第一課 人類的寶物！了解微分積分68Please respect copyright.ＰＥＮＡＮＡRKRpcqHbau
微分積分與函數的關係68Please respect copyright.ＰＥＮＡＮＡQvQxN2C1fi
今天的主題是「三角形面積」68Please respect copyright.ＰＥＮＡＮＡetro1X3qKU
牛頓VS萊布尼茲的仁義之戰68Please respect copyright.ＰＥＮＡＮＡJoCsj30mhn
怎麼區分最合適？68Please respect copyright.ＰＥＮＡＮＡaY4WGSrwRr
用微積分計算三角形的面積！68Please respect copyright.ＰＥＮＡＮＡZGDdtABL7X
來認識微分積分的符號68Please respect copyright.ＰＥＮＡＮＡNHLg2b65CM
Column少年來了！（後篇）68Please respect copyright.ＰＥＮＡＮＡNAgaqJ9F2N
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第二課 用Excel預測未來！68Please respect copyright.ＰＥＮＡＮＡYZJaEpo2bJ
現代人，用Excel就能預測未來68Please respect copyright.ＰＥＮＡＮＡIO5RvO2sE6
掌握Excel的使用方法！68Please respect copyright.ＰＥＮＡＮＡy82aa3JQ8K
「數學家」、「AI」、「統計學家」的差別68Please respect copyright.ＰＥＮＡＮＡ4hl9hmdeGD
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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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【創挑出處】
https://www.penana.com/article/165070468Please respect copyright.ＰＥＮＡＮＡc021tzvGdm
