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反射對稱
Author:
Wong Chun Ying
Topic:
Symmetry
GeoGebra
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四邊形的特性
Nested spiral octagon
Fibonacci Clock
近似值：有效數字
第八周作业
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任兩正方形重組成一大正方形partII
甜甜圈v5
GGB7
拋物線5--包絡線法
正方体展开图的副本
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Cuboid
Rhombus
Quadrilaterals
Sequences and Series
Terms