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双动点求三角形最大面积演示
Author:
黄旭
Topic:
Geometry
GeoGebra
New Resources
三位數除以一位數（二）
球體建築師
拼砌四邊形
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
bkb-切割线定理
同心圓和線段
(006)80201辛宇婕
三角函数诱导公式的副本
鉛筆畫圓
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Correlation
Special Points
Equations
Sine
Parallelogram