Question

ex 5 ajutor repede va rog mult

Answer 1

aaa - abb = aa - bb => a > b
3(b-a) = 3b - 3a => b > a (F) => a =b

2 posibilitati : 1) a > b
                        2) a = b

1) a = 1
    b = 0
2) a =1,2,3,4,5,6,7,8,9
    b =1,2,3,4,5,6,7,8,9

a = 1,2,3,4,5,6,7,8,9
b =0,1,2,3,4,5,6,7,8,9