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GeoGebra
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GeoGebra
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2018-16
Author:
sschy
GeoGebra
New Resources
盈利與虧蝕
常见四边形是否是双心四边形
异形操场
三角函数 的副本
第八周作业
Discover Resources
立體形體 - (18)正方體的表面積計算
Apollonius Problem 7 CCP Inversion simple
四角柱(底面、高可調整)
金剛合體！！
保持比例
Discover Topics
Rhombus
Arithmetic Operations
Scalene Triangles
Statistics
Sine