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2014-08-14T13:33:15+03:00
A+b+c=135

a:c=12 rest 1

a=12c +1

b:c=31 rest 2

b=31c+2

12c+1+31c+2+c=135

44c+3=135

44c=135-3

44c=132

c=3

a=12*3+1=36+1=37

b=31*3+2=93+2=95


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