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对角互补模型
Author:
海平 文
Topic:
Triangles
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
【案例】2013年安徽高考15题
異分母分數減法
兩組對邊相等和有直角的四邊形
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BMIBMI
三平行線上作正三角形
test04
拋物線6--包絡線法
平面截圆锥面
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Tree Diagrams
Differential Calculus
Random Experiments
Subtraction
Parallelogram