Using the digits 1,2,3,4,5 to create a 4 digit number sequence by combining two of the digits at the end of the sequence, the last two digits, example;   1, 2, 3, 45 or 2, 3,4, 51 or 4, 5, 1, 23...list all possible combinations in order

To generate all possible combinations of four-digit numbers using the digits 1, 2, 3, 4, and 5, where the last two digits are combined to form a two-digit number, we can follow a systematic approach:

- The first two digits are selected from the digits 1 to 5.
- The last two digits are combined to form a two-digit number, either by using two digits from the set of digits (1 to 5).

Here are all the possible combinations in order:

### Case 1: Last two digits form the number 12
1. 3, 4, 12
2. 3, 5, 12
3. 4, 3, 12
4. 5, 4,   


Using the digits 1, 2, 3, 4, 5 to create a 4-digit number sequence by combining two of the digits at the end of the sequence, the last two digits. Example: 1, 2, 3, 45 or 2, 3, 4, 51 or 4, 5, 1, 23. List all possible combinations in order.

Learn how to generate all possible combinations of 4-digit numbers using digits 1, 2, 3, 4, 5, where the last two digits are combined to form a two-digit number. This problem involves combinatorics and the basic counting principle. Suitable for students in Grades 6-8.

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