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平行四邊形
Author:
eyun306
Topic:
Parallelogram
GeoGebra
New Resources
漂亮的摇摆曲线
【案例】2018年全国1卷理科12题
多邊形的面積
画直线等分三角形的面积
垂直線的斜率
Discover Resources
Right Triangles in a Circle 圓內的直角三角形
遊戲與圖像
Properties of Inequalities 不等式的加法與乘法性質
旋轉方塊
小棒
對稱圖形
Discover Topics
Quadrilaterals
Optimization Problems
Correlation
Quadratic Equations
Limits