Răspuns :
a+b+c=94
a+b=75
c=b-7; b=c+7;
c=94-75;
c=19
b=19+7;
b=26
a+26+19=94;
a=94-45
a=49
R:. Numerele sunt: 49 ;26 ; 19 .
a+b=75
c=b-7; b=c+7;
c=94-75;
c=19
b=19+7;
b=26
a+26+19=94;
a=94-45
a=49
R:. Numerele sunt: 49 ;26 ; 19 .