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三角函数
Author:
sk829314
GeoGebra
New Resources
折扣
百分數及其應用
龙形曲线-分形龙
比較五件物件的重量
撒针估算面积实验
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曲線
二項分布 (黑板)
B3_1-5_互動例6
二次函數的圖像:頂點式
双勾函数的图象.许兴华数学
Discover Topics
Subtraction
Functions
Polynomial Functions
Symmetry
Optimization Problems