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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
判斷球體
三位數除以一位數（二）
算柱 (兩位數)
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探究平行四邊形面積(2)
repetitive square
公開
幻彩圆
巧算周界
Discover Topics
Pie Chart or Circle Chart
Indefinite Integral
Angles
Logarithmic Functions
Combinatorics