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分物活動 2
Author:
Anthony Or 柯志明
Topic:
Division
GeoGebra
New Resources
兩位數加法
異分母分數減法
球體建築師
四邉形 (四年級) 教師版
找出對稱軸
Discover Resources
判斷三角形
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
三角函數圖形的平移
test
中國火柴遊戲二的副本
Discover Topics
Combinatorics
Planes
Logarithmic Functions
Triangles
Dilation