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4邊形
Author:
張丰耘
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
找出對稱軸
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
第八周作业
Discover Resources
橫斷式研究之樣本數估計（Outcome為odds ratio）
競賽題-1
new book
Template: 對稱04
如何平移逼近三点的抛物线
Discover Topics
Subtraction
Similarity Transformation or Similarity
Ellipse
Rational Numbers
Mathematics