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題 5 (附加題) *
Author:
lam
GeoGebra
只需列出算式,不需要計算答案。(取π = 3.14)
𝜋
提示: 圓面積 = 半徑 × 半徑 × π 圓的半徑 = 20 ÷ 2
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找出對稱軸
兩組對邊相等和有直角的四邊形
近似值:有效數字
Fibonacci Clock
拼砌四邊形
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Demo
平行四邊形中點連線及分角線交點連線形狀
固定面積的圖形周界變化
q5-9
橢圓3--平行四邊形法
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Correlation
Means
Subtraction
Exponential Functions
Scatter Plot