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三棱锥的三视图的副本
Author:
enming
,
DongHai Zhang
GeoGebra
New Resources
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
兩位數加法
找出對稱軸
【案例】2018年全国1卷理科12题
Discover Resources
折扣 例3
題四
題 5
q5-9
可拖动A、B 改变形状
Discover Topics
Arithmetic Operations
Coordinates
Tangent Line or Tangent
Parallelogram
Rotation