Răspuns :
a+b+c=379
a=c
a+b=263
c=379-263
c=116
a=c
a=116
a+b=263
116+b=263
b=263-116
b=147
Verificare: a+b+c=379
116+147+116=379
Răspuns:
116; 147; 116
Explicație pas cu pas:
Fie a,b,c cele trei numere cautate
[tex]a+b+c=379\\\\a=c\\\\a+b=263\\\\inlocuim\:in\:suma\\\\263+a=379\\\\a=379-263\\\\\boxed{\it a=116}\\\\\boxed{\it c=a=116}\\\\116+b+116=379\\\\232+b=379\\\\b=379-232\\\\\boxed{\it b=147}\\\\Verificare: 116+147+116=379\:(adevarat)[/tex]