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平行四邊形
Author:
李春培
Topic:
Parallelogram
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
柱體建築師
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
Discover Resources
Quiz on Solving Quadratic Inequalities 解二次不等式：測驗
最小周長
reflectional symmetry_5
對稱(LEVEL 1)
用几何概型估计pi值
Discover Topics
Function Graph
Vectors
Sequences and Series
Pie Chart or Circle Chart
Trigonometric Functions