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y = sin(x + φ)的圖像
Author:
5sir.math
GeoGebra
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GeoGebra数学资源(4-8年级)
平行線的判定
活动三:应用性质
中华人民共和国国旗
科赫雪花
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parallelgram with height 20120319
中一︰相似圖形(平移、旋轉、反射、放大縮小)
柯西不等式 (3)
Net of pyramid
数学分析讲义
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Addition
Linear Equations
Straight Lines
Cylinder
Trigonometric Functions