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部分佔全部的百分率 :例2 的複本
Author:
Miss Tsang
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
兩組對邊相等的四邊形
三位數除以一位數（二）
画直线等分三角形的面积
Discover Resources
音樂會的入場人數
spinral
perimeter
Slope(斜率公式)
PMC 2018-19
Discover Topics
Inequalities
Secant Line or Secant
Trigonometric Functions
Vectors
Statistics