【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436Please respect copyright.ＰＥＮＡＮＡ9Hmr1Z5yBi
登場人物介紹436Please respect copyright.ＰＥＮＡＮＡk3KkEx1MP8
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第一天 數學的樂趣在哪裡？436Please respect copyright.ＰＥＮＡＮＡReYtMFl9HJ
第一課 其實並不可怕的高中數學436Please respect copyright.ＰＥＮＡＮＡLzfEBfxImM
好想學真正實用的數學！436Please respect copyright.ＰＥＮＡＮＡhc5YbOmNrg
高中數學比國中數學還簡單！？436Please respect copyright.ＰＥＮＡＮＡgwL9dNbXrZ
436Please respect copyright.ＰＥＮＡＮＡ2SR2toew4t
第二課 超精簡的創新數學課！436Please respect copyright.ＰＥＮＡＮＡI6FrDJLxIs
果斷刪去八成教科書內容！436Please respect copyright.ＰＥＮＡＮＡOkchsdJFAr
世界首創！「西成流」數學分類法436Please respect copyright.ＰＥＮＡＮＡHTcwTzhkub
高中數學中最輕鬆的是「代數」436Please respect copyright.ＰＥＮＡＮＡBIIROQR0iu
高中數學的顛峰是「微分積分」436Please respect copyright.ＰＥＮＡＮＡdWFHJDJCJ4
超好用的工具「餘弦定理」436Please respect copyright.ＰＥＮＡＮＡrJjTFEZZTA
真正的幾何大魔王是「向量」436Please respect copyright.ＰＥＮＡＮＡU6FkPLyszP
Column文組無法理解數學的理由436Please respect copyright.ＰＥＮＡＮＡJYGPk2ccQB
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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！！436Please respect copyright.ＰＥＮＡＮＡqC1I9mpWWt
第一課 速速學會統計學基礎436Please respect copyright.ＰＥＮＡＮＡtOzfxzpgEU
數據處理的3大必備條件436Please respect copyright.ＰＥＮＡＮＡVG3756lBWe
為什麼增加個數很好用？436Please respect copyright.ＰＥＮＡＮＡdcBU3CcsrF
「排列組合」是指什麼？436Please respect copyright.ＰＥＮＡＮＡiOU5wXyCdv
看離散程度的「標準差」436Please respect copyright.ＰＥＮＡＮＡe4eXgmbR17
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第二課 記住「數列相加」的方法436Please respect copyright.ＰＥＮＡＮＡgaC4K4UXEU
天才高斯少年發現的「倒序相加」436Please respect copyright.ＰＥＮＡＮＡU2KwZPxOqx
超好用！任何等差數列都能用436Please respect copyright.ＰＥＮＡＮＡynMi1dAfjY
嚴禁直接死背公式！436Please respect copyright.ＰＥＮＡＮＡqA6lr6RP2U
導出等差數列和的公式436Please respect copyright.ＰＥＮＡＮＡLDdij2E9Wp
豐臣秀吉被擺了一道！數學變黃金的故事436Please respect copyright.ＰＥＮＡＮＡ4FwP0BudQn
等比數列是「相乘後錯位相減」436Please respect copyright.ＰＥＮＡＮＡ6cPj9YZNl5
導出等比數列和的公式436Please respect copyright.ＰＥＮＡＮＡqgrZqAjhuZ
先知道處理數列和的符號！436Please respect copyright.ＰＥＮＡＮＡeyAdxz9e67
Column把數學記號當作是念魔咒436Please respect copyright.ＰＥＮＡＮＡXdhorxUaVH
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第三課 記住「排列組合法」436Please respect copyright.ＰＥＮＡＮＡIdUGaJ5aX0
從賽馬了解「排列」與「組合」436Please respect copyright.ＰＥＮＡＮＡtQ4b1qVGsH
Step①了解階乘的計算方法436Please respect copyright.ＰＥＮＡＮＡl4wzKPNhLQ
Step②了解排列的計算方法436Please respect copyright.ＰＥＮＡＮＡBg71nbRj1J
Step③了解組合的計算方法436Please respect copyright.ＰＥＮＡＮＡQmVqKtWMTh
了解「排列」與「組合」的式子436Please respect copyright.ＰＥＮＡＮＡZedoodkqHF
「排列」和「組合」的符號是「P」和「C」436Please respect copyright.ＰＥＮＡＮＡbOKfIYw42G
運用「排列」和「組合」排班表436Please respect copyright.ＰＥＮＡＮＡuwSPb37lCf
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第四課 搞懂「離散值」和「標準差」436Please respect copyright.ＰＥＮＡＮＡMBOxhLsIM5
資訊分析的基礎是找到「數據的規則」436Please respect copyright.ＰＥＮＡＮＡ7uruAmZ6LK
兩個步驟找出離散程度436Please respect copyright.ＰＥＮＡＮＡOzZvn1cuxZ
平均、分散、標準差的深～度關係436Please respect copyright.ＰＥＮＡＮＡfQt8r14AQo
平均、離散、標準差的記號436Please respect copyright.ＰＥＮＡＮＡGeiAywg35v
試著用Excel計算標準差436Please respect copyright.ＰＥＮＡＮＡlhy4OVFOgv
也把「偏差值」的計算公式記起來436Please respect copyright.ＰＥＮＡＮＡLkZ4DV9ETv
附註內容①深奧的平均世界436Please respect copyright.ＰＥＮＡＮＡl6IKlBm0qP
附註內容②平均值、中位數、眾數436Please respect copyright.ＰＥＮＡＮＡGl1QR5CXYL
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第三天 超爽快！掌握高中文組數學的「分析」！436Please respect copyright.ＰＥＮＡＮＡgf4gvR7Nkv
第一課 豁然開朗！函數的世界436Please respect copyright.ＰＥＮＡＮＡRmzgk94oef
函數與方程式的差別？436Please respect copyright.ＰＥＮＡＮＡJHiTJ3WH2B
高中數學的4種函數436Please respect copyright.ＰＥＮＡＮＡpgTERQvcY4
Column少年西成的理科腦情書436Please respect copyright.ＰＥＮＡＮＡRvWO5duC80
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第二課 來複習二次函數！436Please respect copyright.ＰＥＮＡＮＡNqCgGZM5dh
速速複習！二次方程式436Please respect copyright.ＰＥＮＡＮＡlFJweJrjDk
畫出二次函數的圖形！436Please respect copyright.ＰＥＮＡＮＡ1uI2Xa0pTX
Column 物理學家是名偵探436Please respect copyright.ＰＥＮＡＮＡW2gDm4zUAf
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第三課 指數函數超好用！436Please respect copyright.ＰＥＮＡＮＡtqr7TEwvtX
記住指數函數的相關用語436Please respect copyright.ＰＥＮＡＮＡePXq0oEGNS
基本規則①乘冪相乘時，指數相加436Please respect copyright.ＰＥＮＡＮＡm6eDHs7nwQ
基本規則②乘冪再乘冪時，指數相乘436Please respect copyright.ＰＥＮＡＮＡzCaWVjejhk
基本規則③乘冪相除時，指數相減436Please respect copyright.ＰＥＮＡＮＡHQ7r9Wieux
指數是負數時會怎樣？436Please respect copyright.ＰＥＮＡＮＡ5bTUlqh3NQ
指數是「0」的時候會怎樣？436Please respect copyright.ＰＥＮＡＮＡL1gBXR12pu
根號可以轉換成指數運算436Please respect copyright.ＰＥＮＡＮＡ0MnM6m3nRj
統整指數運算的處理方式436Please respect copyright.ＰＥＮＡＮＡx3q07GEWYC
將指數函數做成圖形看看！436Please respect copyright.ＰＥＮＡＮＡyoSGE9UvfR
順便來談談「對數函數」的內容436Please respect copyright.ＰＥＮＡＮＡukqFmn9Kqp
天文數字也可以處理的對數函數436Please respect copyright.ＰＥＮＡＮＡbrG8cR7EEv
指數函數與音樂的深～度關係436Please respect copyright.ＰＥＮＡＮＡKW6EHTAXat
用iPhone計算指數函數的方法436Please respect copyright.ＰＥＮＡＮＡJCNRB8wdwG
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第四天 秒懂高中數學的「幾何」精髓！436Please respect copyright.ＰＥＮＡＮＡ9lBlWpwN6k
第一課 不再霧煞煞的「三角比」436Please respect copyright.ＰＥＮＡＮＡiOiw30lo1A
以餘弦定理搞懂三角形436Please respect copyright.ＰＥＮＡＮＡ0dL5QSaGlz
畫三角形的「西成流」作法436Please respect copyright.ＰＥＮＡＮＡla9jnk9bhx
sin、cos、tan是指「邊長比」436Please respect copyright.ＰＥＮＡＮＡVCI94SLaxr
忘掉tan的存在吧！436Please respect copyright.ＰＥＮＡＮＡsZYVnjoOF7
直角三角形的定義中必要的θ436Please respect copyright.ＰＥＮＡＮＡ0seKJghN1Y
三角比經常出現的陷阱題436Please respect copyright.ＰＥＮＡＮＡ29nBzGuGBY
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第二課 俐落導出餘弦定理公式436Please respect copyright.ＰＥＮＡＮＡvSROSLEBuh
用三角比可以做的事436Please respect copyright.ＰＥＮＡＮＡOHLvxRymNa
導出餘弦定理①事前準備436Please respect copyright.ＰＥＮＡＮＡ2zLSUu95hF
導出餘弦定理②成立公式、解開436Please respect copyright.ＰＥＮＡＮＡHxgCaikRST
導出餘弦定理③證明sin2θ+ cos2θ= 1436Please respect copyright.ＰＥＮＡＮＡv1QGlCk9TT
導出餘弦定理④完成436Please respect copyright.ＰＥＮＡＮＡZJP87tK9Nx
餘弦定理與畢氏定理的關係436Please respect copyright.ＰＥＮＡＮＡLtv9BGg9jB
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第三課 學習最後的分析工具「三角函數」！436Please respect copyright.ＰＥＮＡＮＡTTVkmPT9re
三角函數只是將θ與y的關係圖像化436Please respect copyright.ＰＥＮＡＮＡUjcf72vNTS
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第五天 特別課程①：幾何的最終武器「向量」！436Please respect copyright.ＰＥＮＡＮＡt1CSmZCmmw
第一課 偉大的「向量」436Please respect copyright.ＰＥＮＡＮＡxyiLO7Zd9V
用代數解幾何問題！？436Please respect copyright.ＰＥＮＡＮＡq3XEJcGwFY
「短短數行」就能證明餘弦定理436Please respect copyright.ＰＥＮＡＮＡx3NxTaw5Q0
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第二課 了解「向量」的超嶄新概念436Please respect copyright.ＰＥＮＡＮＡi1o6ZKT3nq
向量是集結兩種資訊的「特殊容器」436Please respect copyright.ＰＥＮＡＮＡ5eaPPRVAQf
眾所熟知的「純量」436Please respect copyright.ＰＥＮＡＮＡnaob2Y5RAZ
數據時代的主角「張量」436Please respect copyright.ＰＥＮＡＮＡCibFRAbMfR
為什麼我們需要向量？436Please respect copyright.ＰＥＮＡＮＡ0zhkhEBwtp
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第三課 「向量」是用箭頭當作記號唷436Please respect copyright.ＰＥＮＡＮＡRfQVooQr4q
向量的書寫規則436Please respect copyright.ＰＥＮＡＮＡ5nAcq4mBAp
張量的畫法436Please respect copyright.ＰＥＮＡＮＡZJAUwungEe
試著把向量畫成圖436Please respect copyright.ＰＥＮＡＮＡdg0Le0wBII
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第四課 「向量」的計算超簡單！436Please respect copyright.ＰＥＮＡＮＡRjDqtnzIKP
來算算向量的加法吧436Please respect copyright.ＰＥＮＡＮＡifXBbTRr2g
也來算算向量的減法436Please respect copyright.ＰＥＮＡＮＡw2OmTBypuu
試著分解向量吧436Please respect copyright.ＰＥＮＡＮＡ0cJeKUf5EH
試著挑戰向量的乘法436Please respect copyright.ＰＥＮＡＮＡfCAy2vLbav
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第五課 靠「向量」秒殺餘弦定理！436Please respect copyright.ＰＥＮＡＮＡz1MquxFHT4
用向量瞬間導出餘弦定理！436Please respect copyright.ＰＥＮＡＮＡVo3JqCxoAL
不論幾次元都能處理的向量436Please respect copyright.ＰＥＮＡＮＡqMQTALfSID
Column少年來了！（前篇）436Please respect copyright.ＰＥＮＡＮＡhaEcfaMHIR
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第6天 特別課程②：用「微積分」預測未來！436Please respect copyright.ＰＥＮＡＮＡcexUk2SZRI
第一課 人類的寶物！了解微分積分436Please respect copyright.ＰＥＮＡＮＡhJw9lQRMRw
微分積分與函數的關係436Please respect copyright.ＰＥＮＡＮＡXQwi5uj7Ci
今天的主題是「三角形面積」436Please respect copyright.ＰＥＮＡＮＡbLd6Ib9uvy
牛頓VS萊布尼茲的仁義之戰436Please respect copyright.ＰＥＮＡＮＡfZsqhImSEI
怎麼區分最合適？436Please respect copyright.ＰＥＮＡＮＡHpYxiu6X06
用微積分計算三角形的面積！436Please respect copyright.ＰＥＮＡＮＡpRa41S7omw
來認識微分積分的符號436Please respect copyright.ＰＥＮＡＮＡxoqiEiZ1zS
Column少年來了！（後篇）436Please respect copyright.ＰＥＮＡＮＡLa5QAYCePI
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第二課 用Excel預測未來！436Please respect copyright.ＰＥＮＡＮＡHWHEZGCOtS
現代人，用Excel就能預測未來436Please respect copyright.ＰＥＮＡＮＡsNn0lHfRdT
掌握Excel的使用方法！436Please respect copyright.ＰＥＮＡＮＡGxtjIFzGjX
「數學家」、「AI」、「統計學家」的差別436Please respect copyright.ＰＥＮＡＮＡyVPwpfuKJf
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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！！
ns216.73.216.133da2
and then Add to home screen.