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图案A
Author:
吉顺国
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
兩組對邊相等和有直角的四邊形
球體建築師
【案例】2018年全国1卷理科12题
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Prism and Cylinder 2
三角形重心軌跡
QP3.18
體積
平行四邊形的面積 的複本
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Inequalities
Probability
Boxplot
Combinatorics
Polygons