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勾股定理（几何原本）的副本
Author:
夜雨嘀嗒
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
New Resources
球体的体积推导
球體建築師
四邉形 (四年級) 教師版
柱體建築師
【案例】2018年全国1卷理科12题
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Proof2 周子翔
圓錐(可改底面圓半徑、錐體高)
周界
|cos(z)|
兩位數除以一位數（二）
第八周作业
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Diagrams
Inequalities
Rotation
Translation
Hypothesis Testing