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Math
Author:
fung yiu cho
GeoGebra
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兩組對邊相等的四邊形
第八周作业
異分母分數減法
算柱 (兩位數)
三位數除以一位數（二）
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科學記號與小數點的位移
旋轉動畫
幾何_圓2
Angles in intersecting and parallel lines
制作模版
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Sequences and Series
Mode
Poisson Distribution
Scalene Triangles
Quadratic Functions