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翰林數學_2下_CH4-1_平行線的特性與定義
Author:
翰林數學
GeoGebra
New Resources
第八周作业
Nested spiral octagon
兩組對邊相等的四邊形
球體建築師
美國國旗 (Codex 版)
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南瓜趣臉
圖形拼砌
number line
橢圓1--同心圓法
橢圓幾何性質,光學性質,生活應用
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Numbers
Cuboid
Cylinder
Conic Sections
Integers