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2014-11-11T09:33:10+02:00
A= 14 b + 5   b=7c+1     a=14(7c+1)+5=98c+14+5   a=98c+19   98c+19+7c+1+c=232   106c+20=232  106c=212   c=2  b=7c+1=7x2+1=15   a=14b+5=14x15+5=215    215+15+2=232