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沈老師等腰直角幾何題
Author:
陳兪宏
waaachen
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
n星角
優良作品5
Homework5
小船平移2
HKCEE 2009 Q17
Discover Topics
Vectors 2D (Two-Dimensional)
Matrices
Pythagoras or Pythagorean Theorem
Differential Calculus
Random Experiments