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623劉虹圻 雪花
Author:
呂麗珠
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
四邉形 (四年級) 教師版
柱體建築師
兩位數除以一位數（一）
Discover Resources
MHschool
NCM(2nd)
二元一次方程式1
半圓內切球內切圓
sin(x) 的函數圖形的副本
Discover Topics
Median Line
Circumcircle or Circumscribed Circle
Equilateral Triangles
Secant Line or Secant
Logarithm