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过一直线与已知直线相交
Author:
孟宝兴
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
【案例】2018年全国1卷理科12题
判斷球體
兩組對邊相等的四邊形
Discover Resources
Polygon Activity
作業3-1 增加互動功能
三角形外心
三角函數值 (特別角)
四邉形 (四年級) 教師版
Discover Topics
Terms
Complex Numbers
Natural Numbers
Ratios
Pie Chart or Circle Chart