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Perimeter

Author:Janice Wong, Anthony OR 柯志明

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判斷球體
拼砌四邊形
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）

Discover Resources

龍騰4_1-1課例3
向量
Effects on Dispersion
Circle Rule
實數相乘相加的幾何意義(數線上)

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Boxplot
Variance
Set Theory
Geometry
Numbers

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