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龙华区二模12
Author:
谢鹏
GeoGebra
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第八周作业
常见四边形是否是双心四边形
撒针估算面积实验
盈利與虧蝕
中华人民共和国国旗
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矩形
Testing
Fermat's Spiral
正弦公式1
相反数 思考（教材第10页）
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Integers
LCM and GCD
Right Triangles
Parallelogram
Exponential Functions