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【2020高考】新高考全国1卷（山东卷） 第16题
Author:
孟宝兴
GeoGebra
New Resources
找出對稱軸
四邊形的特性
兩組對邊相等和有直角的四邊形
Nested spiral octagon
近似值：有效數字
Discover Resources
test
Escher 階梯
二年級_錐體的觀察
等分圓製作
双动点求三角形最大面积演示
Discover Topics
Diagrams
Perimeter
Vectors 3D (Three-Dimensional)
Continuity
Parallelogram