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7.1.2 平面直角坐標系
Author:
Loi Teng Chong
GeoGebra
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折扣
龙形曲线-分形龙2
第八周作业
第八周作业2
比較五件物件的重量
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三角形的外接圓
test01
Copy of 均分除法（分數÷整數）
拋物線6--包絡線法
Strike and Dip 地層的走向與傾角的副本
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Trigonometry
Scalene Triangles
Congruence
Definite Integral
Centroid or Barycenter