Question

scrie toate numerele de forma abcd stiind ca abcd sunt cifre distincte iar a+b=c+d=3

Answer 1

a=1, b=2, c=3, d=0

1230,

a=2, b=1, c=0 d=3, 2103

a=3, b=0, c=1, d=2, 3012

Answer 2

1230; 1203 ; 2103; 2130; 3012 :3021 ;