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平行四邊形面積教材二
Author:
kaisze930
Topic:
Parallelogram
平行四邊形面積教材二
GeoGebra
New Resources
異分母分數減法
【案例】2018年全国1卷理科12题
兩位數加法
拼砌四邊形
三位數除以一位數（一）
Discover Resources
正立方體反射面
BkD_act15_03c
reflectional symmetry_3
等角作圖
任意截面切割正方体
Discover Topics
Tangent Line or Tangent
Hyperbola
Probability
Rotation
Vectors