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箭头平移
Author:
汪晓应
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
四邉形 (四年級) 教師版
Discover Resources
三角形的內角和＝180度
優質教育基金計劃中期分享會 (26/6/2015)
a Geogebra file created by the first pre-service teacher
第三組-維維安尼定律
椭圆中的对称斜率为定值问题20190917
Discover Topics
Median Value
Indefinite Integral
Frequency Distribution
Equations
Similarity Transformation or Similarity