a+b+c=316
a/b=61 r 2 ; a =61*b+2
a/c =76 r 3 ; c =a-3 /76 ; c =61*b +2+3 /75 =61*b -1/76 inlocuim pe a si c in prima relatie
61b+2 +b +61b -1/76 =316 numitor 76
4712b +152+61b-1=24016
4773b =24016-152+1
4773b =23865
b =5
a =61b+2
a =61*5+2 =305+2 =307
c =61b-1/76
c =61*5-1/76 =304/76 =4
verif ; 307+5+4 =316