台灣黑皮歐巴桑的學習祕笈

中英文版(國二數學)數列與級數：等差中項與其應用

國中_數學_13-1-3 等差中項與其應用
https://www.youtube.com/watch?v=qwPT2xWbdL0

等差數列&級數｜等差中項
https://www.youtube.com/watch?v=BhZdRD-jrtU

八下數學 1-1-5等差中項
https://www.youtube.com/watch?v=3Tqzsk7hM-8

等差中項1
https://www.youtube.com/watch?v=0OA8ARpLw_U

等差中項例1~例3
https://www.youtube.com/watch?v=UFTVnehr9Xw

國中_數學_13-1-3 等差中項與其應用
https://www.youtube.com/watch?v=ka-Y710qfq4

國中_數學_數列與級數_等差中項_練習
https://www.youtube.com/watch?v=zJrThwl7C_g

國中_數學_數列與級數_等差中項
https://www.youtube.com/watch?v=RexVY_JJF9s

How to find the Arithmetic Mean or Average presented by TeachtopiaTV
https://www.youtube.com/watch?v=LU4QLNN6kOM

Arithmetic Mean Formula
https://www.youtube.com/watch?v=X80dvL1um4s

Arithmetic Means
https://www.youtube.com/watch?v=jRfo-OwckNI

Arithmetic Mean Average Word Problems
https://www.youtube.com/watch?v=ypHYSEvQnwo

Arithmetic Mean vs Geometric Mean - What's The Difference & How To Find It?
https://www.youtube.com/watch?v=aRZwYqaNC9g

Arithmetic & Geometric Mean (1 of 2: Introductory Example)
https://www.youtube.com/watch?v=rzwNAFcfH0M

Arithmetic & Geometric Mean (2 of 2: Inserting Multiple Means)
https://www.youtube.com/watch?v=MEvw3P2L_Tg

Proof by Contradiction: Arithmetic Mean & Geometric Mean
https://www.youtube.com/watch?v=yEFCHrsn2n4

Arithmetic Mean for Samples and Populations
https://www.youtube.com/watch?v=GzXlIfiZUqg

Geometry: Arithmetic, Geometric, Harmonic Means
https://www.youtube.com/watch?v=ZfHXdIFS-mQ

Arithmetic Mean
https://www.youtube.com/watch?v=SF_ZoGcmhUo

部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=36#focus