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   with (object){
      statements
   }

       object      ¹Ýº¹ ¼öÇà ÇÒ object
       statements  ÀÏ·ÃÀÇ ¸í·É¹®
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   radius = 5.4
   area = Math.PI * (radius*radius)
   cosinePI = Math.cos(Math.PI/2)
   sinePIdiv2 = Math.sin(Math.PI/2)

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   radius = 5.4
   with (Math) {
      area = PI * (radius*radius)
      cosinePI = cos(PI/2)
      sinePIdiv2 = sin(PI/2)}
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