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餘弦的定理
Author:
NG Chun Yee
New Resources
来画个立体几何吧
[教学] 三角函数线3：函数的绘制
反比例函数对称性
艾宾浩斯错觉
正比例函数和一次函数的参数作用
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任務1
時鐘問題
Area and Volume of a pentagonal prism(正五角棱柱的面積和體積)
分數棒
EARTH01
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Perimeter
Inequalities
Dilation
Linear Programming or Linear Optimization
Parametric Curves