Question

Determinati numerele naturale a si b pt.care axb+2xa+b=4

Answer 1

a<4 si b<4
a=1 si b=1
1 x 1+ 2 x 1 +1=4
1+2+1=4
4=4 (adevarat)

a=0 si b=4
0 x 4 + 2 x 0 +4=4
0+0+4=4
4=4 (adevarat)