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27Please respect copyright.ＰＥＮＡＮＡDM0p4gmCNd
登場人物介紹27Please respect copyright.ＰＥＮＡＮＡQOIWP8nq2L
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第一天 數學的樂趣在哪裡？27Please respect copyright.ＰＥＮＡＮＡNsRF32exoF
第一課 其實並不可怕的高中數學27Please respect copyright.ＰＥＮＡＮＡR4tqbDlvKZ
好想學真正實用的數學！27Please respect copyright.ＰＥＮＡＮＡBv005CBN4B
高中數學比國中數學還簡單！？27Please respect copyright.ＰＥＮＡＮＡVpTr0wZmIT
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第二課 超精簡的創新數學課！27Please respect copyright.ＰＥＮＡＮＡz8jZ44IpOH
果斷刪去八成教科書內容！27Please respect copyright.ＰＥＮＡＮＡduy4lkjtAj
世界首創！「西成流」數學分類法27Please respect copyright.ＰＥＮＡＮＡjHdqg6xjFC
高中數學中最輕鬆的是「代數」27Please respect copyright.ＰＥＮＡＮＡlIejMsOWBs
高中數學的顛峰是「微分積分」27Please respect copyright.ＰＥＮＡＮＡDupIykxQoe
超好用的工具「餘弦定理」27Please respect copyright.ＰＥＮＡＮＡKysITlMNFl
真正的幾何大魔王是「向量」27Please respect copyright.ＰＥＮＡＮＡHKSeBTwrxP
Column文組無法理解數學的理由27Please respect copyright.ＰＥＮＡＮＡqctQFUWkfO
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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！！27Please respect copyright.ＰＥＮＡＮＡiGUS0OJ2so
第一課 速速學會統計學基礎27Please respect copyright.ＰＥＮＡＮＡLfPi0hozSX
數據處理的3大必備條件27Please respect copyright.ＰＥＮＡＮＡLwBeFhszfE
為什麼增加個數很好用？27Please respect copyright.ＰＥＮＡＮＡ2qSK2jJde6
「排列組合」是指什麼？27Please respect copyright.ＰＥＮＡＮＡMSOOg1oC3c
看離散程度的「標準差」27Please respect copyright.ＰＥＮＡＮＡc6QMSdOJ1g
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第二課 記住「數列相加」的方法27Please respect copyright.ＰＥＮＡＮＡT1V6qlk1tw
天才高斯少年發現的「倒序相加」27Please respect copyright.ＰＥＮＡＮＡVyErdc4FwA
超好用！任何等差數列都能用27Please respect copyright.ＰＥＮＡＮＡzKzTj6tc1f
嚴禁直接死背公式！27Please respect copyright.ＰＥＮＡＮＡJFFG7mgdgt
導出等差數列和的公式27Please respect copyright.ＰＥＮＡＮＡtTCDReRAnG
豐臣秀吉被擺了一道！數學變黃金的故事27Please respect copyright.ＰＥＮＡＮＡ7QXJpnfBYf
等比數列是「相乘後錯位相減」27Please respect copyright.ＰＥＮＡＮＡLFf2Zjfn4t
導出等比數列和的公式27Please respect copyright.ＰＥＮＡＮＡOy4PF9FraH
先知道處理數列和的符號！27Please respect copyright.ＰＥＮＡＮＡp0AASbJlvQ
Column把數學記號當作是念魔咒27Please respect copyright.ＰＥＮＡＮＡ0BbeLj1lJA
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第三課 記住「排列組合法」27Please respect copyright.ＰＥＮＡＮＡhe5LrJ6YCL
從賽馬了解「排列」與「組合」27Please respect copyright.ＰＥＮＡＮＡaOBlm3bo7G
Step①了解階乘的計算方法27Please respect copyright.ＰＥＮＡＮＡYUxk4bnhos
Step②了解排列的計算方法27Please respect copyright.ＰＥＮＡＮＡAw3GiGUHKt
Step③了解組合的計算方法27Please respect copyright.ＰＥＮＡＮＡH0h8yATBon
了解「排列」與「組合」的式子27Please respect copyright.ＰＥＮＡＮＡTtG5bRUWgr
「排列」和「組合」的符號是「P」和「C」27Please respect copyright.ＰＥＮＡＮＡDnZTfT7aQk
運用「排列」和「組合」排班表27Please respect copyright.ＰＥＮＡＮＡyojZ2KLLv9
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第四課 搞懂「離散值」和「標準差」27Please respect copyright.ＰＥＮＡＮＡM9mgGP7Jva
資訊分析的基礎是找到「數據的規則」27Please respect copyright.ＰＥＮＡＮＡ7J4E2Jywgr
兩個步驟找出離散程度27Please respect copyright.ＰＥＮＡＮＡflhqMJeWpm
平均、分散、標準差的深～度關係27Please respect copyright.ＰＥＮＡＮＡSyClmb08JG
平均、離散、標準差的記號27Please respect copyright.ＰＥＮＡＮＡLqXTCKMwbe
試著用Excel計算標準差27Please respect copyright.ＰＥＮＡＮＡxpGl9ZXgp0
也把「偏差值」的計算公式記起來27Please respect copyright.ＰＥＮＡＮＡ5o5y0Hfhul
附註內容①深奧的平均世界27Please respect copyright.ＰＥＮＡＮＡpSPQQc5Xgn
附註內容②平均值、中位數、眾數27Please respect copyright.ＰＥＮＡＮＡV6DRbWSTEl
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第三天 超爽快！掌握高中文組數學的「分析」！27Please respect copyright.ＰＥＮＡＮＡ9oZZOyDzS1
第一課 豁然開朗！函數的世界27Please respect copyright.ＰＥＮＡＮＡVYQ0SqjaYF
函數與方程式的差別？27Please respect copyright.ＰＥＮＡＮＡNMjOtuTMVA
高中數學的4種函數27Please respect copyright.ＰＥＮＡＮＡ8kcXkw8KpG
Column少年西成的理科腦情書27Please respect copyright.ＰＥＮＡＮＡHEVRvSmQJA
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第二課 來複習二次函數！27Please respect copyright.ＰＥＮＡＮＡXf8WyZN5HX
速速複習！二次方程式27Please respect copyright.ＰＥＮＡＮＡ8sA70wmz1l
畫出二次函數的圖形！27Please respect copyright.ＰＥＮＡＮＡQodrjT2ECd
Column 物理學家是名偵探27Please respect copyright.ＰＥＮＡＮＡw1mLVPnXp8
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第三課 指數函數超好用！27Please respect copyright.ＰＥＮＡＮＡytbfoQcCKh
記住指數函數的相關用語27Please respect copyright.ＰＥＮＡＮＡVkEQZdKe5K
基本規則①乘冪相乘時，指數相加27Please respect copyright.ＰＥＮＡＮＡImT4vTqyu0
基本規則②乘冪再乘冪時，指數相乘27Please respect copyright.ＰＥＮＡＮＡ6s4ZJgLACG
基本規則③乘冪相除時，指數相減27Please respect copyright.ＰＥＮＡＮＡfSmx0i6tJH
指數是負數時會怎樣？27Please respect copyright.ＰＥＮＡＮＡdUyyLmjrVI
指數是「0」的時候會怎樣？27Please respect copyright.ＰＥＮＡＮＡ8mMsvTv9Kt
根號可以轉換成指數運算27Please respect copyright.ＰＥＮＡＮＡgkRxSQYCxx
統整指數運算的處理方式27Please respect copyright.ＰＥＮＡＮＡthItrKcLoP
將指數函數做成圖形看看！27Please respect copyright.ＰＥＮＡＮＡDLxxUJREbL
順便來談談「對數函數」的內容27Please respect copyright.ＰＥＮＡＮＡNJGfFxHjn6
天文數字也可以處理的對數函數27Please respect copyright.ＰＥＮＡＮＡTheyWudTNS
指數函數與音樂的深～度關係27Please respect copyright.ＰＥＮＡＮＡj6ikFQVC3o
用iPhone計算指數函數的方法27Please respect copyright.ＰＥＮＡＮＡ1tzsEfVSuL
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第四天 秒懂高中數學的「幾何」精髓！27Please respect copyright.ＰＥＮＡＮＡGfFsYVJoox
第一課 不再霧煞煞的「三角比」27Please respect copyright.ＰＥＮＡＮＡL8rWWQnekx
以餘弦定理搞懂三角形27Please respect copyright.ＰＥＮＡＮＡRgzgjOm7Rc
畫三角形的「西成流」作法27Please respect copyright.ＰＥＮＡＮＡLOX8NS4GrT
sin、cos、tan是指「邊長比」27Please respect copyright.ＰＥＮＡＮＡXEo6O3ziz0
忘掉tan的存在吧！27Please respect copyright.ＰＥＮＡＮＡxChUdaBG6v
直角三角形的定義中必要的θ27Please respect copyright.ＰＥＮＡＮＡauDPh4hQ2I
三角比經常出現的陷阱題27Please respect copyright.ＰＥＮＡＮＡ8qf5khppvl
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第二課 俐落導出餘弦定理公式27Please respect copyright.ＰＥＮＡＮＡBuMbtlQ9l2
用三角比可以做的事27Please respect copyright.ＰＥＮＡＮＡTdTcVSbyDE
導出餘弦定理①事前準備27Please respect copyright.ＰＥＮＡＮＡR7NtKmIEUY
導出餘弦定理②成立公式、解開27Please respect copyright.ＰＥＮＡＮＡlrSgh6JwX0
導出餘弦定理③證明sin2θ+ cos2θ= 127Please respect copyright.ＰＥＮＡＮＡILaWm8i7ZE
導出餘弦定理④完成27Please respect copyright.ＰＥＮＡＮＡvuuhGQorVu
餘弦定理與畢氏定理的關係27Please respect copyright.ＰＥＮＡＮＡPyyIG0tT53
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第三課 學習最後的分析工具「三角函數」！27Please respect copyright.ＰＥＮＡＮＡrnrLSOOOsj
三角函數只是將θ與y的關係圖像化27Please respect copyright.ＰＥＮＡＮＡykpg6up6He
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第五天 特別課程①：幾何的最終武器「向量」！27Please respect copyright.ＰＥＮＡＮＡpVBDOaPi48
第一課 偉大的「向量」27Please respect copyright.ＰＥＮＡＮＡU0JbyD4ftF
用代數解幾何問題！？27Please respect copyright.ＰＥＮＡＮＡYYuKO3IGEX
「短短數行」就能證明餘弦定理27Please respect copyright.ＰＥＮＡＮＡifvx2lx5tt
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第二課 了解「向量」的超嶄新概念27Please respect copyright.ＰＥＮＡＮＡtilLKmP3qN
向量是集結兩種資訊的「特殊容器」27Please respect copyright.ＰＥＮＡＮＡeRtNYlXQlT
眾所熟知的「純量」27Please respect copyright.ＰＥＮＡＮＡbf6qXDIRau
數據時代的主角「張量」27Please respect copyright.ＰＥＮＡＮＡvWyjS2Z1E9
為什麼我們需要向量？27Please respect copyright.ＰＥＮＡＮＡjaWTJi8eo6
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第三課 「向量」是用箭頭當作記號唷27Please respect copyright.ＰＥＮＡＮＡGEi3oBK8Hx
向量的書寫規則27Please respect copyright.ＰＥＮＡＮＡeeCcw80y51
張量的畫法27Please respect copyright.ＰＥＮＡＮＡWtkauPNNv2
試著把向量畫成圖27Please respect copyright.ＰＥＮＡＮＡULrhukjU8q
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第四課 「向量」的計算超簡單！27Please respect copyright.ＰＥＮＡＮＡH5hGjVAhAw
來算算向量的加法吧27Please respect copyright.ＰＥＮＡＮＡFl11fOXZ0v
也來算算向量的減法27Please respect copyright.ＰＥＮＡＮＡ6a3y2G0Y11
試著分解向量吧27Please respect copyright.ＰＥＮＡＮＡ1AE4Rm7nwm
試著挑戰向量的乘法27Please respect copyright.ＰＥＮＡＮＡZAj41QdsAE
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第五課 靠「向量」秒殺餘弦定理！27Please respect copyright.ＰＥＮＡＮＡJ6Zp7yemlR
用向量瞬間導出餘弦定理！27Please respect copyright.ＰＥＮＡＮＡXm2O7aknF3
不論幾次元都能處理的向量27Please respect copyright.ＰＥＮＡＮＡoCYTn5m26p
Column少年來了！（前篇）27Please respect copyright.ＰＥＮＡＮＡjhjlQrzcOE
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第6天 特別課程②：用「微積分」預測未來！27Please respect copyright.ＰＥＮＡＮＡa0WAddQQXj
第一課 人類的寶物！了解微分積分27Please respect copyright.ＰＥＮＡＮＡoC6VPjEydC
微分積分與函數的關係27Please respect copyright.ＰＥＮＡＮＡpMVJw9NnnO
今天的主題是「三角形面積」27Please respect copyright.ＰＥＮＡＮＡVNXD5soePs
牛頓VS萊布尼茲的仁義之戰27Please respect copyright.ＰＥＮＡＮＡmcBDmMDu3B
怎麼區分最合適？27Please respect copyright.ＰＥＮＡＮＡ7oVvZQ4mCk
用微積分計算三角形的面積！27Please respect copyright.ＰＥＮＡＮＡBdUnFeJHgr
來認識微分積分的符號27Please respect copyright.ＰＥＮＡＮＡEzGAmh8taW
Column少年來了！（後篇）27Please respect copyright.ＰＥＮＡＮＡPb4IDDTTgG
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第二課 用Excel預測未來！27Please respect copyright.ＰＥＮＡＮＡFTtkEKWgVy
現代人，用Excel就能預測未來27Please respect copyright.ＰＥＮＡＮＡAmudpf4L8q
掌握Excel的使用方法！27Please respect copyright.ＰＥＮＡＮＡixuxR6cpp3
「數學家」、「AI」、「統計學家」的差別27Please respect copyright.ＰＥＮＡＮＡKwpETvY0Ar
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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/165070427Please respect copyright.ＰＥＮＡＮＡj4C93Lz1hb
