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PMC 2014-15 Q5
Author:
Arthur Lee
圖中所有五邊形大小形狀完全相同。求每一個五邊形的面積。你可以移動藍色的正方形或改變它的大小來幫助找出答案。
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【案例】2018年全国1卷理科12题
找出對稱軸
球体的体积推导（优化版）
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
Discover Resources
中点轨迹
立體圖
reflectional symmetry_4
Simultaneous Equations (Linear and quadratic)
閱讀月曆（綜合版）
Discover Topics
Vectors 3D (Three-Dimensional)
Scalene Triangles
Median Line
Exponential Functions
Linear Equations