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Copy of 畫三角形 題2c
Author:
tongfai1975
,
GeoGebra Institute of Hong Kong
GeoGebra
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直線的斜率：水平變化 & 鉛垂變化
第八周作业1
平行線的判定
比較五件物件的重量
撒针估算面积实验
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Basketball
test
認識公里
loci car
阿基米德多面體
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Integral Calculus
Subtraction
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Straight Lines