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圖三 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
三位數除以一位數（二）
第八周作业
【案例】2018年全国1卷理科12题
Discover Resources
move
翰林B4講p192_類1
可积准则
Multiplication of Polynomials(多項式的乘法)
錯角---不平行綫
Discover Topics
Solids or 3D Shapes
Exponential Functions
Linear Equations
Cone
Circumcircle or Circumscribed Circle