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1989全国理21
Author:
常振虎
GeoGebra
New Resources
【案例】2013年安徽高考15题
球体的体积推导（优化版）
【案例】2018年全国1卷理科12题
第八周作业
三位數除以一位數（一）
Discover Resources
【三角函數】sinx的平移
Testing
線性規劃
Magic Matches
Solving Triangles (Ambiguous SSA case)
Discover Topics
Logarithm
Similar Triangles
Cosine
Multiplication
Combinatorics