SUBTRACTION
Keywords - Subtraction
9 + 1 = 10 10 - 1 = 9 9- 1= 8
8 + 2 = 10 10 - 2 = 8 9- 2= 7
7 + 3 = 10 10 - 3 = 7 9- 3= 6
6 + 4 = 10 10 - 4 = 6 9- 4= 5
5 + 5 = 10 10 - 5 = 5 9- 5= 4
4 + 6 = 10 10 - 6 = 4 9- 6= 3
3 + 7 = 10 10 - 7 = 3 9- 7= 2
2 + 8 = 10 10 - 8 = 2 9- 8= 1
1 + 9 = 10 10 - 9 = 1 9- 9= 0
Similarly 3883, 64, 98, 6, 10905,
becomes 6117, 36, 02, 4, 89095