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[教学] 中考 2019 北京-24(T4)
Author:
acchu
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
判斷球體
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
Solving Triangles (SSA case) 解任意三角形(SSA情況)
三角形外心探討
Projection01
中國火柴遊戲一的副本
橢圓軌跡
Discover Topics
Secant Line or Secant
Unit Circle
Fractions
Symmetry
Circumcircle or Circumscribed Circle