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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
兩位數加法
拼砌四邊形
小数 的副本
兩組對邊相等和有直角的四邊形
sanjiaohanshu
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固定三角形的條件−題3
分項對消式的寫法
餘弦的定理
三角形内切圆
抛物线定义
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Optimization Problems
Sine
Pythagoras or Pythagorean Theorem
Congruence
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