579 + 9999 = 10578
9999 + 9 = 10008
197 + 1639 + 9147 + 6931 + 729 + 9999 = 28642
13,666n
It's a simple example of addition.The solution is: 2 + 9999 = 10,001
9999 x 99 = 989 901
The answer to this sum is 2010198.
9998
Using a calculator, which is available on all computers, the answer is easily found to be 10189.
10000 ; This may look to be wrong but you can have 0001 to 9999 which gives you 9999 different combinations of 4 digits, plus another one for 0000.
9999
9999