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密鋪5
Author:
chen mingchuan
GeoGebra
New Resources
四邉形 (四年級) 教師版
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
兩位數加法
兩組對邊相等和有直角的四邊形
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面積2
包絡菱形
題 2
拋物線3--平行四邊形法
三角形相似的直观显示.许兴华数学
Discover Topics
Trapezoid
Subtraction
Real Numbers
Geometric Distribution
Quadratic Equations