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Proof2 周子翔
Author:
郭亮偉
GeoGebra
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兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
異分母分數減法
兩組對邊相等和有直角的四邊形
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分數乘法2
中點_圓_多邊形_軌跡
中華民國國旗
禪繞畫
翰林數學_2下_CH3-2_SSS作圖
Discover Topics
Combinatorics
Frequency Distribution
Multiplication
Polygons
Difference and Slope