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三角形三边关系探究
Author:
fei zhao
Topic:
Triangles
分辨率1280x720
GeoGebra
2020年7月
New Resources
小数 的副本
兩組對邊相等和有直角的四邊形
畫出對稱圖形
三位數除以一位數（二）
兩位數加法
Discover Resources
畫方格
拼貼2
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
不存在的梯子
N邊形滾動的副本
Discover Topics
Multiplication
Bar Chart or Bar Graph
Quadratic Equations
Piecewise Functions
Functions