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2014-11-04T18:43:51+02:00
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+2=93+2=95
1 5 1