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  1. perimeter fence

    • n.
      圍欄
  2. 知識+

    • 幫我翻譯微積分數學 10點

      ...29 23:56:16 補充: You have 200 feet of fencing with which you wish to enclose the largest possible rectangular...接著這個面積可以簡單地表示成xy Since the perimeter is 200, we know that 2x + 2y = 200, 因為花園的...