Question

Scrieti cate cinci solutii ale ecuatiilor:
x*y=1
x*y=0,1
x+y=1
x+y=0,1
x-y=1
x-y=0,1
Cate solutii are fiecare caz?
Alcatuiti probleme asemanatoare.

Answer 1

y*x=1
y*x=0,1
y+x=1
y+x=0,1
y-x=1
y-x=0,1