The combination of 0 and 7 is 4,

The combination of 3, 0 and 6 is 4,

The combination of 0 and 5 is 4,

The combination of 1, 2 and 6 is 6.

There are six combinations of 1, 3,5.

***28.

The maximum value is 8 10, and the minimum value is 108.

I hope I can help you!