Question

Sa se afle perechile de numere naturale (x,y), stiind ca :
a) x*y=5
b) (x+1)*y=4

Answer 1

a) x = 1, y = 5
x = 5, y = 1

b) x + 1 = 1, x = 0
y = 4

x + 1 = 4, x = 3
y = 1

x + 1 = 2, x = 1
y = 2