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NCM(2nd)
Author:
ISAAC LAM
GeoGebra
New Resources
錐體建築師
兩位數加法
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
畫出對稱圖形
Discover Resources
龍騰4_1-1習6-1
第一冊
李樂雯_尋找PI的活動
等比数列计算练习
全景平面投影
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Quadrilaterals
Rational Numbers
Circumcircle or Circumscribed Circle
Surface
Similar Triangles