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DANDELIN
Author:
zhou
GeoGebra
New Resources
算柱 (兩位數)
GeoGebra笔记功能体验课件
拼砌四邊形
兩組對邊相等和有直角的四邊形
兩位數加法
Discover Resources
這是什麼角(一)
scalar multiplication
Activity 2
功課'
赋值保存法
Discover Topics
Isosceles Triangles
Symmetry
Algebra
Rational Numbers
Pythagoras or Pythagorean Theorem