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Copy of 面積：從梯形到三角形 02
Author:
Ms Hui
,
###
Topic:
Area
GeoGebra
New Resources
Fibonacci Clock
兩組對邊相等和有直角的四邊形
近似值：有效數字
找出對稱軸
直角坐標平面上的旋轉變換
Discover Resources
so fing
數學傳播39卷4期, 平面幾何公式思考
Opp angles cyclic quad
奠基
Addition and Subtraction of Directed Numbers (1)
Discover Topics
Vectors 3D (Three-Dimensional)
Median Value
Diagrams
Sequences and Series
Differential Calculus