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切線段等長
Author:
謝易達
可移動P點,檢查切線段是否等長
GeoGebra
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兩位數除以一位數(一)
畫出對稱圖形
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
gdss
Copy of 七巧板
Question 1
探索二次函数的性质
正三角形在长方形边上移动加滚动
Discover Topics
Statistics
Geometric Transformations
Subtraction
Straight Lines
Conic Sections