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初中圓的面積題
初中圓的面積題
更新时间:2024-11-09 22:46:54

如果用S表示圓的面積,那麼圓的面積計算公式就是:

S=πr²

初中圓的面積題(初中數學圓的面積)1

S=πr²=3.14×3²=28.26(cm²)

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