Question 117441
A=(4,6,8,9)
B=(2,4,6,8)
{{{4+2=6}}}
{{{6+2=8}}}
{{{8+2=10}}}
{{{9+2=11}}}
{{{4+4=cross(8)}}}
{{{6+4=cross(10)}}}
{{{8+4=12}}}
{{{9+4=13}}}
{{{4+6=cross(10)}}}
{{{6+6=cross(12)}}}
{{{8+6=14}}}
{{{9+6=15}}}
{{{4+8=cross(12)}}}
{{{6+8=cross(14)}}}
{{{8+8=16}}}
{{{9+8=17}}}
C is the set of all unique sums of members of A and B.
C=(6,8,10,11,12,13,14,15,16,17)
C has 10 members in it.