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1989全国理11
Author:
常振虎
GeoGebra
New Resources
球體建築師
找出對稱軸
拼砌四邊形
柱體建築師
兩組對邊相等和有直角的四邊形
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梯形中線
兩直線夾角101.11.21
擴分
三角形內角和180度
五年級_立體圖形_角錐展開圖
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Parallelogram
Stochastic Process or Random Process
Fractions
Continuity
Statistical Characteristics