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認識梯形的特徵
Author:
Cychoy
Topic:
Plane Figures or Shapes
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
異分母分數減法
Discover Resources
S5 geometry
淮阴2015-28
No.1
时钟 的副本
刘校安排（1）
Discover Topics
Boxplot
Tangent Function
Differential Calculus
Ellipse
Tree Diagrams