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waaachen
Author:
陳兪宏
梯形+二次函數
GeoGebra
New Resources
第八周作业
三位數除以一位數（一）
拼砌四邊形
錐體建築師
球体的体积推导
Discover Resources
Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
台灣加油台灣加油
我的社團圖形
gjc096b28 等腰三角形邊上一點與角度
瓜豆原理——动点跟随
Discover Topics
Subtraction
Tree Diagrams
Parametric Curves
Upper and Lower Sum or Riemann Sum
Straight Lines