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折扣 例4
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
直角坐標平面上的旋轉變換
球體建築師
兩組對邊相等和有直角的四邊形
拼砌四邊形
三位數除以一位數（二）
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內切圓滾動
第一題
等腰三角形 － 等角對等邊的副本
正方体展开图的副本
翰林數學_2下_CH3-4_三角形的外角大於任一內對角
Discover Topics
Kite
Prism
Natural Numbers
Vectors 3D (Three-Dimensional)
Indefinite Integral