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2014-03-02T16:45:42+02:00
A=0,5k  b=0,2k   c=o,(3)k   a=1|2k  b=1|5k  c=1|3k   1\2k+1|5k+1|3k=930  k=90   a=90|2  b=90|5   c=90|3=30
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2014-03-02T16:57:57+02:00
A=0.5 k=5/10=1/2    b=0,2k=2/10=1/5  c=0,(3)=3/9=1/3          1/2k+1/5k+1/3k=390 
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