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S8G5 增加的小方格
Author:
安迎春
GeoGebra
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【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
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vbcvbcvbcvbcvbcvcv
quadrilaterals 1
地球20160328
小棒
导数
Discover Topics
Natural Numbers
Linear Regression
Arithmetic Mean
Scalene Triangles
Logic