Răspuns:
lr=129437+lg:2 <=> lr=129437+lg:2 <=>
lr+lg=438475 lg=438475-lr
lr=129437+438475 -lr:2 <=>. lr=567912-lr:2 <=>
lg=438475-lr lg=438475-lr
2lr=283956 <=> lr=141978 <=> lr=141978
lg=438475-lr lg=438475-141978 lg=29697
Explicație pas cu pas:
lr=lalele roșii
lg=lalele galbene