You tell whats the same and different.
six
30
4 4 6 6 10
(3, 4, 5, 7, 8, 9)
45
You tell whats the same and different.
six
30
1,2,3,4,5,15
Any numbers that are equivalent to 21.
4 4 6 6 10
(3, 4, 5, 7, 8, 9)
6 (six)
It means 5 hundred, twenty-six.
There are at least 7 such sets, among them, 1,2,6,6,6,7,7.
Add them all together and divide by 6.