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ie 8
Author:
LAM YU SANG
GeoGebra
New Resources
算柱 (兩位數)
兩位數加法
直角坐標平面上的旋轉變換
異分母分數減法
判斷球體
Discover Resources
Brahmagupta 四邊形的構造方法
大小相同串珠
小一_比較20以內的數
兩個骰子的點數和的副本
数学几何
Discover Topics
Quadrilaterals
Inequalities
Stochastic Process or Random Process
Function Graph
Pythagoras or Pythagorean Theorem