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waaachen
Author:
陳兪宏
阿凱老師的幾何問題
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數加法
兩組對邊相等的四邊形
兩位數除以一位數（一）
異分母分數減法
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waaachen
Is this a prism 2
gjh-g01-00 單項乘以兩項和
外心
六年級 行程圖
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Division
Quadratic Equations
Ellipse
Set Theory
Upper and Lower Sum or Riemann Sum