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草枝襬 敢羚羊
Author:
張家彬
GeoGebra
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兩位數加法
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
第八周作业
判斷球體
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李洲意
Centres
等高
旁心
初二春季课程
Discover Topics
Trigonometry
Polynomial Functions
Parabola
Orthocenter
Geometry