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一個長方形有幾條邊
一個長方形有幾條邊
更新时间:2025-02-22 13:43:16

  1、長方形有四條邊,對邊相等;有四個角,都是直角。通常把長方形長邊的長叫作長,短邊的長叫作寬;正方形每條邊的長叫作邊長。

  2、長方形的周長=(長+寬)×2、長方形的周長=長+寬+長+寬、長方形的周長=長×2+寬×2。隻要是求長方形的周長,一定要找它的長和寬,然後用公式去算。

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