stiind ca a:b=3, rest 2 si a+b=866, afla cine sunt a si b.

Răspuns :

a=3b+2
3b+2+b=866
4b+2=866
4b=864
b=216
a=866-216=650
a: b=3 rest 2
a=3× b+2
a+ b=866
3× b+2+ b=866
4× b=866-2
b=864:4=216
a=3×216+2
a=648+2=650