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指數1212
Author:
04Peppa
GeoGebra
New Resources
撒针估算面积实验
百分數及其應用
盈利與虧蝕
平行線的判定
常见四边形是否是双心四边形
Discover Resources
sine graph 變換
mathmedia_40204
斜線2
Ex (ASA)
直角三角形的內心與相似
Discover Topics
Arithmetic Operations
Parallelogram
Subtraction
Means
Matrices