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平行四邊形
Author:
Hin Chan
Topic:
Parallelogram
平行四邊形的高和底
GeoGebra
New Resources
兩位數加法
画直线等分三角形的面积
三位數除以一位數(二)
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
Trigonometry
銳角三角函數
角的認識
中心对称
第10题
Discover Topics
Set Theory
Piecewise Functions
Geometry
Vectors 2D (Two-Dimensional)
Logarithm