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proof76 謝旻辰
Author:
郭亮偉
GeoGebra
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異分母分數減法
拼砌四邊形
四邊形的特性
第八周作业
sanjiaohanshu
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Direct Variation (Different powers of x)
gjc096b28 等腰三角形邊上一點與角度
Kopia soccer
拋物線5-包絡線法
勾股定理的直观证明（义务教育数学 新课标-例82）
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Square
Planes
Statistics
Constructions
Intersection