Treść zadania

Najlepsze rozwiązanie

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  sonar 25.9.2011 (20:40)

  7 i 1/6 - 2,9 =
  = 7 i 1/6 - 2 i 9/10 =
  = 7 i 5/30 - 2 i 27/30=
  = 6 i 35/30 - 2 i 27/30 =
  = 4 i 8/30=
  = 4 i 4/15
  
  
  
  5,25-2 i 2/3=
  = 5 i 25/100 - 2 i 2/3=
  = 5 i 1/4 - 2 i 2/3=
  = 5 i 3/12 - 2 i 8/12=
  = 4 i 15/12 - 2 i 8/12=
  = 2 i 7/12
  
  
  
  1 i 2/3 * 2i2/5 =
  = 5/3 * 12/5= ( skracam 5 z 5 oraz 3 z 12)
  = 1/1 * 4/1=
  = 4/1=
  =4
  
  
  
  1 i 5/6 * 1,2 =
  = 11/6 * 1 i 2/10 =
  = 11/6 *12/10 = ( skracam 6 z 12)
  = 11/1 * 2/10 =
  = 22/10 =
  = 2 i 2/10=
  = 2 i 1/5
  
  
  
  
  1,5 * 2 i 4/5 =
  = 1 i 5/10 * 14/5 =
  = 15/10 * 14/5 = ( skracam 15 z 5 oraz 10 z 14)
  = 3/5 * 7/1=
  = 21/5=
  = 4 i 1/5
  
  
  
  
  12,5 * 0,17 =2,125
  
  
  
  3,87 * 1,9 =7,353
  
  
  
  2 i 2/3 : 1,6 =
  = 8/3 : 1 i 6/10 =
  = 8/3 : 1 i 3/5 =
  = 8/3 * 5/8= (skracam 8 z 8)
  =1/3 * 5/1=
  = 5/3=
  = 1 i 2/3
  
  
  
  
  2,4 : 1 i 2/7 =
  = 2 i 4/10 : 1 i 2/7 =
  = 2 i 2/5 : 9/7=
  = 12/5 * 7/9 = ( skracam 12 z 9)
  =4/5 * 7/3=
  = 28/15=
  = 1 i 13/15
  
  
  
  
  
  3 i 1/3 : 1,2 =
  = 10/3 : 1 i 2/10=
  = 10/3 : 1 i 1/5=
  = 10/3 : 6/5 =
  = 10/3 * 5/6 = (skracam 10 z 6)
  = 5/3 * 5/3=
  = 25/9=
  = 2 i 7/9
  
  
  
  
  2 i 2/7:1,6=
  = 16/7 : 1 i 6/10 =
  = 16/7 : 1 i 3/5=
  = 16/7 : 8/5 =
  = 16/7 * 5/8 = (skracam 16 z 8)
  = 2/7 * 5/1=
  = 10/7=
  = 1 i 3/7
  
  
  
  4,15 :2,5 =1,66
  
  
  0,48 : 0,12 =4

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