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證平行四邊形 (對邊相等)
Author:
W.L. Wong, Albert
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
拼砌四邊形
球體建築師
【案例】2018年全国1卷理科12题
Discover Resources
觀察圖中有哪些角會相等
地球20160328
对数的运算性质
函数图像研究
製作對稱圖形-釘板-LEVEL 1
Discover Topics
Probability
Distributions
Parabola
Definite Integral
Polynomial Functions