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三角函数
Author:
jason ni
Topic:
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
兩組對邊相等的四邊形
找出對稱軸
柱體建築師
【案例】2013年安徽高考15题
兩位數加法
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認識函數(表格形式練習)
ie 9
circle
國旗
拋物線3--平行四邊形法
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Translation
Orthocenter
Optimization Problems
Scalene Triangles
Dilation