Răspuns :

Răspuns:

a+b = 476

a= b+26

metoda figurativa

a_+26

b _ } 476

476 -26= 450

450 ÷2 = 225 ( b)

a= 225 +26 = 251

Metoda algebrica

b+26 +b = 476

2b +26 = 476

2b= 476-26

2b = 450

b= 450÷2

b = 225

a= 225+26= 251