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2014-11-13T16:27:07+02:00
A+b+c=632
b/a=3(r=24)⇒b=3a+24
b=3c⇒c=(3a+24)/3
          c=a+8
a+b+c=632
a+3a+24+a+8=632
5a+32=632
5a=600
a=120

b=3a+24
b=3*120+24
b=360+24
b=384

c=a+8
c=128