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20191005(2)高二孝李昭明
Author:
lee chao ming
GeoGebra
New Resources
三位數除以一位數（二）
算柱 (兩位數)
異分母分數減法
拼砌四邊形
找出對稱軸
Discover Resources
conjugate
聯動鐘面
橢圓旋轉
test
Sonia and Julie
Discover Topics
Confidence Interval
Rotation
Trapezoid
Straight Lines
Sine