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任意凸多边形的滚动
Author:
赵林
GeoGebra
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【案例】2013年安徽高考15题
畫出對稱圖形
兩組對邊相等和有直角的四邊形
兩位數除以一位數(一)
直角坐標平面上的旋轉變換
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正立方體展開動畫
簡易文氏圖
二元线性规划的图解法(习题5)
不规则平移
limit of function f(x)=x^2
Discover Topics
Hypothesis Testing
Rhombus
Difference and Slope
Congruence
Trapezoid