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Author:
孟宝兴
GeoGebra
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第八周作业
【案例】2018年全国1卷理科12题
錐體建築師
兩組對邊相等和有直角的四邊形
球體建築師
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How to reconstruct a quadrilateral farm to a triangular one with the same area?
圓心
數播線上201802
Illusion-外凸的正方形
【2020高考】全国1卷（理科） 第18题
Discover Topics
Tangent Function
Cosine
Tree Diagrams
LCM and GCD
Percentages