{2, 3, 7, 9} | {2, 3, 9, 7} | {2, 7, 3, 9} | {2, 7, 9, 3} | {2, 9, 3, 7} | {2, 9, 7, 3} | {3, 2, 7, 9} | {3, 2, 9, 7} | {3, 7, 2, 9} | {3, 7, 9, 2} | {3, 9, 2, 7} | {3, 9, 7, 2} | {7, 2, 3, 9} | {7, 2, 9, 3} | {7, 3, 2, 9} | {7, 3, 9, 2} | {7, 9, 2, 3} | {7, 9, 3, 2} | {9, 2, 3, 7} | {9, 2, 7, 3} | ... (total: 24)
Ignore the commas between each pemutation and sum them up on a calculator like this:
2973 + 3279 + 3297......etc.
+119 I have a question about this. Guest's way will definitely work, but is there some kind of easier way?
Thanks!
