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判斷球體
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
兩位數加法
拼砌四邊形
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Ambiguous Cone
數學電腦繪圖與解題
橢圓1-同心圓法
貝氏定理－醫療判定(使用混淆矩陣)
y=asin(bx+theta)+c
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Ratios
Numbers
Straight Lines
Random Experiments
Triangles