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Convolution integral h*u(t)
Author:
H.-N. Huang
GeoGebra
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常见四边形是否是双心四边形
第八周作业1
折扣
第八周作业
双心四边形
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模擬3D---切割與展開
正立方體
三角形的邊長
均分除法（整數÷整數）
單一波
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Surface
Inequalities
Sequences and Series
Rectangle
Optimization Problems