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基測數學100-1-30 ：等腰三角形求角度
Author:
arist
Topic:
Isosceles Triangles
GeoGebra
New Resources
拼砌四邊形
兩位數加法
畫出對稱圖形
三位數除以一位數（二）
球體建築師
Discover Resources
四角柱體（長方體）的截面
中間人星星
growth
正方体展开图的副本
翰林數學_2下_CH4-2_特殊平行四邊形有關對角線的性質
Discover Topics
Curve Sketching
Probability
Logic
Constructions
Numbers