Răspuns :
a-n=24
a-n=690
a-n=252
a+b+c=1950
Daca aduni relatiile
a-n=24
a-n=690
a-n=252
Vei obtine
(a+b+c)-3n= 966
1950-3n=966
3n= 984
n=328
Deci nr. sunt
a= 24+328=352
b=690+328=1018
c=252+328=580
a+b+c=1950 a-d=24 b-d=690 c-d=252 1950-(24+690+252)=984 984:3=328 d=328 a-d=24 a=24+328=352 b=690+328=1018 c=252+328=580 [tex] \a+b+c=1950 352+1018+580=1950\ [/tex]