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Orthocentre

Author:Big Lee

New Resources

拼砌四邊形
算柱 (兩位數)
錐體建築師
兩位數加法
兩位數除以一位數（一）

Discover Resources

優良作品6(沛綺)
幾何問題_圓01
三角形的邊長
pyramid by Mr LO WY
鉛筆畫圓

Discover Topics

Sphere
Geometric Mean
Variance
Surface
Special Points

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