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保持2:3:4
Author:
hjyanghj
Topic:
Geometry
GeoGebra
New Resources
兩位數除以一位數（二）
第八周作业
異分母分數減法
兩組對邊相等的四邊形
兩位數除以一位數（一）
Discover Resources
test01
GeoGebra作圖─ＡＡＳ全等
合 24（淺中深）
平行線法
抛物线第一定义
Discover Topics
Subtraction
Rational Numbers
Trigonometric Functions
Curve Sketching
Incircle or Inscribed Circle