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Light reflected in hyperbola的副本
Author:
weizhuli(卫珠礼)
,
GeoGebra Institute of WuXi
Topic:
Conic Sections
New Resources
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
拼砌四邊形
球體建築師
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