Question

3. Find the sum and difference of the greatest and the smallest numbers formed by the following digits: (a) 8 digits (b) 10 digits (c) 12 digits​

Answer 1

Greatest number: 987654321210

Smallest number: 001122345678

Sum: 988776666888

Difference: 986531975532

In summary, to find the sum and difference of the greatest and smallest numbers formed by a given set of digits, arrange the digits accordingly and calculate the sum and difference.