It depends on combinations with how many numbers. There is only one combination of 99 numbers taken from 99.
109
1, 3, 9, 11, 33, 99.
99.Because if you do 0 minus 99 whats the answer?99.So it has 99 numbers in a 2-digit number.
1, 3, 9, 11, 33, 99.
There are 49 even numbers between 1 and 99.
99 of them.
Three and 11.
1. The numbers 1 through 99 are 99 different numbers; each one occurs once.
98 if you exclude 0 and 99.
99
They are: 99 and 90