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Author:
陳兪宏
奕程老師的幾何問題
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
柱體建築師
四邊形的特性
Discover Resources
複雜的解法
Primary School Mathematics Collection
錐體建築師 1
旁心
RLC並聯諧振
Discover Topics
Division
Dilation
Right Triangles
Kite
Fractions