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平面外積、有向面積、二階行列式
Author:
羅驥韡 (Pegasus Roe)
Topic:
Vectors
GeoGebra
New Resources
錐體建築師
直角坐標平面上的旋轉變換
兩位數加法
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
Discover Resources
trapezium
http://www.qsir.org/?p=8853
蝴蝶定理證明1：Steven構造恒等式
螢橋國中 陳虹璇
sequence-circle
Discover Topics
Upper and Lower Sum or Riemann Sum
Trigonometry
Differential Equation
Statistical Characteristics
Secant Line or Secant