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congruent activity
Author:
lamanleung
GeoGebra
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【案例】2018年全国1卷理科12题
小数 的副本
兩組對邊相等的四邊形
異分母分數減法
算柱 (兩位數)
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相同圖形的拼砌（三角形）
平移2
兩圓內外公切線
Trianglar prism
函数作图工具的副本
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Quadrilaterals
Trigonometry
Trapezoid
Division
Random Variables