7,712 個「 x 」的搜尋結果

依關聯性
05-2 冪律（重寫表達式）（Power rule (with rewriting the expression) | AP Calculus AB | Khan Academy）04:23

05-2 冪律（重寫表達式）（Power rule (with rewriting the expression) | AP Calculus AB | Khan Academy）

16
A2 初級
多項式的零點（倍率）｜多項式圖形｜代數2｜可汗學院 (Zeros of polynomials (multiplicity) | Polynomial graphs | Algebra 2 | Khan Academy)05:00

多項式的零點（倍率）｜多項式圖形｜代數2｜可汗學院 (Zeros of polynomials (multiplicity) | Polynomial graphs | Algebra 2 | Khan Academy)

5
A2 初級
負項多項式相乘的面積模型。 (Area model for multiplying polynomials with negative terms)05:17

負項多項式相乘的面積模型。 (Area model for multiplying polynomials with negative terms)

2
A2 初級
14-6 平方根（偶冪）商的無窮大極限（Limits at infinity of quotients with square roots (even power) | AP Calculus AB | Khan Academy）03:37

14-6 平方根（偶冪）商的無窮大極限（Limits at infinity of quotients with square roots (even power) | AP Calculus AB | Khan Academy）

14
B1 中級
避免壓力的 7 個重要假日旅行提示 (7 Crucial Holiday Travel Tips to Avoid Stress)06:19

避免壓力的 7 個重要假日旅行提示 (7 Crucial Holiday Travel Tips to Avoid Stress)

中文B1 中級
谷歌主題演講（Google I/O '19 (Google Keynote (Google I/O'19))103:17

谷歌主題演講（Google I/O '19 (Google Keynote (Google I/O'19))

4
A2 初級
字幕已審核超爆笑脫口秀主持 Bill Burr：「還好史蒂芬霍金死了」！？ (Bill Burr Is Glad Stephen Hawking Is Dead | Netflix Is A Joke)03:07

超爆笑脫口秀主持 Bill Burr：「還好史蒂芬霍金死了」！？ (Bill Burr Is Glad Stephen Hawking Is Dead | Netflix Is A Joke)

11364
中文A2 初級
16- 2 限制的正式定義第 2 部分：構建想法（Formal definition of limits Part 2: building the idea | AP Calculus AB | Khan Academy）06:06

16- 2 限制的正式定義第 2 部分：構建想法（Formal definition of limits Part 2: building the idea | AP Calculus AB | Khan Academy）

10
A2 初級
16-3 Epsilon-delta 限制的定義（Epsilon-delta definition of limits）06:59

16-3 Epsilon-delta 限制的定義（Epsilon-delta definition of limits）

7
B1 中級
字幕已審核現實生活中長的漂亮的漫威惡棍 (Marvel Villains Who Are Beautiful In Real Life)08:05

現實生活中長的漂亮的漫威惡棍 (Marvel Villains Who Are Beautiful In Real Life)

12737
中文B2 中高級
1.46 複合函數的極限：不存在內部極限（Limits of composite functions: internal limit doesn't exist | AP Calculus | Khan Academy）04:17

1.46 複合函數的極限：不存在內部極限（Limits of composite functions: internal limit doesn't exist | AP Calculus | Khan Academy）

7
A2 初級
代數基礎。簡化多項式 - 數學反思錄 (Algebra Basics: Simplifying Polynomials - Math Antics)10:43

代數基礎。簡化多項式 - 數學反思錄 (Algebra Basics: Simplifying Polynomials - Math Antics)

16
A2 初級
07-3 多項式的切線（Tangents of polynomials | Derivative rules | AP Calculus AB | Khan Academy）04:42

07-3 多項式的切線（Tangents of polynomials | Derivative rules | AP Calculus AB | Khan Academy）

4
A2 初級
04-1 微分性和連續性（Differentiability and continuity | Derivatives introduction | AP Calculus AB | Khan Academy）09:38

04-1 微分性和連續性（Differentiability and continuity | Derivatives introduction | AP Calculus AB | Khan Academy）

57
A2 初級
工作實例完全保理 (Worked examples factoring completely)04:00

工作實例完全保理 (Worked examples factoring completely)

19
A2 初級
Timothée Chalamet 統計數據 (Timothée Chalamet Statistics)02:33

Timothée Chalamet 統計數據 (Timothée Chalamet Statistics)

6
中文B2 中高級
用微積分基本定理求導數 | 金剛石微積分AB︎ | 可汗學院 (Finding derivative with fundamental theorem of calculus | AP®︎ Calculus AB | Khan Academy)03:24

用微積分基本定理求導數 | 金剛石微積分AB︎ | 可汗學院 (Finding derivative with fundamental theorem of calculus | AP®︎ Calculus AB | Khan Academy)

26
B1 中級
VOA60：2020年11月16日 (VOA60: November 16, 2020)01:01

VOA60：2020年11月16日 (VOA60: November 16, 2020)

12
中文B2 中高級
14-4 商無窮大的限制（第 2 部分）（Limits at infinity of quotients (Part 2) | Limits and continuity | AP Calculus AB | Khan Academy）04:33

14-4 商無窮大的限制（第 2 部分）（Limits at infinity of quotients (Part 2) | Limits and continuity | AP Calculus AB | Khan Academy）

11
B2 中高級
代數2｜代數2｜可汗學院 (Solving equations by graphing | Algebra 2 | Khan academy)04:19

代數2｜代數2｜可汗學院 (Solving equations by graphing | Algebra 2 | Khan academy)

1
B1 中級
字幕已審核為人父母不簡單！看看成為家長的你會有什麼改變！ (The ABC's of PARENTING)04:06

為人父母不簡單！看看成為家長的你會有什麼改變！ (The ABC's of PARENTING)

6691
中文B1 中級
改變一切的十大發現 (Top 10 Discoveries That Changed Everything)12:40

改變一切的十大發現 (Top 10 Discoveries That Changed Everything)

34
中文B2 中高級
縮放函數介紹｜函數的變換｜代數2｜可汗學院 (Scaling functions introduction | Transformations of functions | Algebra 2 | Khan Academy)06:03

縮放函數介紹｜函數的變換｜代數2｜可汗學院 (Scaling functions introduction | Transformations of functions | Algebra 2 | Khan Academy)

7
A2 初級
VOA60。2020年8月7日 (VOA60: August 7, 2020)01:01

VOA60。2020年8月7日 (VOA60: August 7, 2020)

4
中文B1 中級
1.52 直接帶入法的未定義（Undefined limits by direct substitution | Limits and continuity | AP Calculus AB | Khan Academy）02:14

1.52 直接帶入法的未定義（Undefined limits by direct substitution | Limits and continuity | AP Calculus AB | Khan Academy）

21
A2 初級
16-4 限制的正式定義第 4 部分：使用定義（Formal definition of limits Part 4: using the definition | AP Calculus AB | Khan Academy）08:30

16-4 限制的正式定義第 4 部分：使用定義（Formal definition of limits Part 4: using the definition | AP Calculus AB | Khan Academy）

11
B1 中級
代數2｜可汗學院｜代數2｜代數2｜可汗學院 (Graphing square and cube root functions | Algebra 2 | Khan academy)06:48

代數2｜可汗學院｜代數2｜代數2｜可汗學院 (Graphing square and cube root functions | Algebra 2 | Khan academy)

3
A2 初級
13-1 無限極限簡介（Introduction to infinite limits | Limits and continuity | AP Calculus AB | Khan Academy）04:30

13-1 無限極限簡介（Introduction to infinite limits | Limits and continuity | AP Calculus AB | Khan Academy）

10
B1 中級
03-1估計微分（Estimating derivatives | Derivatives introduction | AP Calculus AB | Khan Academy）05:56

03-1估計微分（Estimating derivatives | Derivatives introduction | AP Calculus AB | Khan Academy）

4
A2 初級
1.54 分段函數的極限（Limits of piecewise functions | Limits and continuity | AP Calculus AB | Khan Academy）03:49

1.54 分段函數的極限（Limits of piecewise functions | Limits and continuity | AP Calculus AB | Khan Academy）

10
A2 初級
什麼是函數？| 函數和它們的圖象｜代數II｜可汗學院 (What is a function? | Functions and their graphs | Algebra II | Khan Academy)07:57

什麼是函數？| 函數和它們的圖象｜代數II｜可汗學院 (What is a function? | Functions and their graphs | Algebra II | Khan Academy)

59
A2 初級
腫瘤就這樣消失了"。癌症患者在接受藥物試驗後現在得到了緩解 ('Tumors just vanished': Cancer patients now in remission after drug trial)03:24

腫瘤就這樣消失了"。癌症患者在接受藥物試驗後現在得到了緩解 ('Tumors just vanished': Cancer patients now in remission after drug trial)

9
中文A2 初級
15-4 用中間值定理證明：方程（Justification with the intermediate value theorem: equation | AP Calculus AB | Khan Academy）03:46

15-4 用中間值定理證明：方程（Justification with the intermediate value theorem: equation | AP Calculus AB | Khan Academy）

6
B1 中級
01-3 割線和平均變化率（Secant lines & average rate of change | Derivatives introduction | AP Calculus AB | Khan Academy）05:17

01-3 割線和平均變化率（Secant lines & average rate of change | Derivatives introduction | AP Calculus AB | Khan Academy）

8
A2 初級
函數對稱性介紹｜函數的變換｜代數2｜可汗學院 (Function symmetry introduction | Transformations of functions | Algebra 2 | Khan Academy)05:22

函數對稱性介紹｜函數的變換｜代數2｜可汗學院 (Function symmetry introduction | Transformations of functions | Algebra 2 | Khan Academy)

13
A2 初級
字幕已審核【艾倫秀】幽默的艾倫要怎麼幫大家解決暑假作業呢？Ellen's Helping Out with Homework!05:34

【艾倫秀】幽默的艾倫要怎麼幫大家解決暑假作業呢？Ellen's Helping Out with Homework!

17616
中文A2 初級
積分域(抽象代數) (Integral Domains (Abstract Algebra))07:34

積分域(抽象代數) (Integral Domains (Abstract Algebra))

17
B1 中級
為什麼數十億的蟬在17年後即將出現？ (Why Billions of Cicadas Are About to Emerge After 17 years)05:25

為什麼數十億的蟬在17年後即將出現？ (Why Billions of Cicadas Are About to Emerge After 17 years)

41
中文B2 中高級
10-2 工作示例：某一點的連續性（Worked example: Continuity at a point | Limits and continuity | AP Calculus AB | Khan Academy）07:19

10-2 工作示例：某一點的連續性（Worked example: Continuity at a point | Limits and continuity | AP Calculus AB | Khan Academy）

6
A2 初級
字幕已審核【聽Podcast學英文】Self-help 是什麼？用英文談談成長與改變吧！(English Rewind - 6 Minute English: Self help)06:31

【聽Podcast學英文】Self-help 是什麼？用英文談談成長與改變吧！(English Rewind - 6 Minute English: Self help)

4204
中文A2 初級
表的單邊極限（One-sided limits from tables | Limits and continuity | AP Calculus AB | Khan Academy）06:20

表的單邊極限（One-sided limits from tables | Limits and continuity | AP Calculus AB | Khan Academy）

8
A2 初級
字幕已審核馬克朗森 - 放克名流 ft. 火星人布魯諾 Mark Ronson - Uptown Funk ft. Bruno Mars04:31

馬克朗森 - 放克名流 ft. 火星人布魯諾 Mark Ronson - Uptown Funk ft. Bruno Mars

28972
中文B2 中高級
地震 (1974) - 餘震場面 (7/10) - Movieclips (Earthquake (1974) - Aftershock Scene (7/10) | Movieclips)02:27

地震 (1974) - 餘震場面 (7/10) - Movieclips (Earthquake (1974) - Aftershock Scene (7/10) | Movieclips)

11
中文A2 初級
08-3 __ 的導數 |高級衍生品（Derivative of __ | Advanced derivatives | AP Calculus AB | Khan Academy）03:02

08-3 __ 的導數 |高級衍生品（Derivative of __ | Advanced derivatives | AP Calculus AB | Khan Academy）

5
A2 初級
多項式零的多重性｜多項式圖形｜代數2｜可汗學院 (Multiplicity of zeros of polynomials | Polynomial graphs | Algebra 2 | Khan Academy)06:36

多項式零的多重性｜多項式圖形｜代數2｜可汗學院 (Multiplicity of zeros of polynomials | Polynomial graphs | Algebra 2 | Khan Academy)

10
A2 初級
代數基礎。基本方程的解法 第一部分 數學反常 (Algebra Basics: Solving Basic Equations Part 1 - Math Antics)11:08

代數基礎。基本方程的解法 第一部分 數學反常 (Algebra Basics: Solving Basic Equations Part 1 - Math Antics)

15
B1 中級