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Rotation in the Coordinate Plane
Author:
Ngan Hok Hei
Rotation
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（一）
柱體建築師
異分母分數減法
兩位數除以一位數（二）
Discover Resources
以剪貼比較圖形大小 題1
空間坐標系學習單
三角測量02
长方形边线展开
線性估計(Linear Approximation)
Discover Topics
Stochastic Process or Random Process
Exponent
Upper and Lower Sum or Riemann Sum
Quadratic Equations
Straight Lines