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2014-11-03T16:27:55+02:00


a+b+c=250

a:b=2 rest 3, de unde a=b*2+3

b:c=2 rest 3, de unde b=c*2+3

avem b*2+3+c*2+3+c=250, de unde b*2+c*3+6=250, b*2=250-6-c*3=244-c*3, b=(244-c*3):2

inlocuim (244-c*3):2=c*2+3, 244-c*3=c*2*2+3*2, 244-c*3=c*4+6, 244-6=c*3+c*4, 238=7*c, c=238/7, c=34

b=c*2+3=34*2+3=71

a=b*2+3=71*2+3=145