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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
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兩組對邊相等和有直角的四邊形
拼砌四邊形
Earth with coastline
兩組對邊相等的四邊形
美國國旗 (Codex 版)
Discover Resources
special
max{f(x),g(x),s(x)} 與 min{f(x),g(x),s(x)}
聖者即正義
爱心
等差数列、等比数列
Discover Topics
Perimeter
Step Functions
Quadratic Equations
Translation
Parallelogram