
Every time you shuffle a deck of cards, you get a combination that’s never existed.

123 – 45 – 67 + 89 = 100.
123 + 4 – 5 + 67 – 89 = 100.
123 – 4 – 5 – 6 – 7 + 8 – 9 = 100.
1 + 23 – 4 + 5 + 6 + 78 – 9 = 100.

1089 x 9 = 9801