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旁心三角形的九點圓

Author:連琨銘

New Resources

錐體建築師
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形

Discover Resources

test test test
橢圓的定義畫圖
gmj106a13 八角錐
劉虹圻旁心
可拖动A、B 改变形状

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