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相似三角形
Author:
vincent21891
Topic:
Similar Triangles
New Resources
拼砌四邊形
異分母分數減法
球体的体积推导
球体的体积推导（优化版）
兩組對邊相等的四邊形
Discover Resources
分數除法 1：a ÷ b（均分）
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Congruent Triangles
congruent (SA) 2
切線 (The Tangent Line)
Discover Topics
Conditional Probability
Median Value
LCM and GCD
Continuity
Rotation