;with maco as
(
select number as c from master..spt_values where type='p' and number between 0 and 9
)

select 
    case when a.c=0 then '' else ltrim(a.c)+'+' end
    +ltrim(b.c)+'+'+ltrim(c.c)+'+'+ltrim(d.c)+'=14'
from maco a ,maco b,maco c ,maco d
where a.c<b.c and b.c<c.c and c.c<d.c
and a.c+b.c+c.c+d.c=14
/*
1+4+9=14
1+5+8=14
1+6+7=14
2+3+9=14
2+4+8=14
2+5+7=14
1+2+3+8=14
1+2+4+7=14
1+2+5+6=14
3+4+7=14
3+5+6=14
1+3+4+6=14
2+3+4+5=14
*/