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HKCEE 2009 Q17
Author:
tkyggb
GeoGebra
New Resources
兩組對邊相等的四邊形
近似值：有效數字
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
简易立体几何
cos(x) 的圖形
圖F
四塊面積
Angle Between a Line and a Plane Definition 線與平面的交角 定義
Discover Topics
Line Segment
Rational Numbers
Variance
Pythagoras or Pythagorean Theorem
Distributions