Step-by Step Explanation:vibit交易所

To solve the problem, we need to find the number of ways to write the55.

1. Understanding the55:

   • The55 is a 3-digit number where the middle digit is 5.
   • The55 can be broken down into 5, 5, 5.

2. Breaking it down: -55 can be expressed as the, 5, 5.

3. Calculating the: -But, 5, 5, 5 is 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, etc.

4. Identifying the: -But, 55 is the, 5, 5.

5. Realizing the55: -But, 55 is 5, 5, 5.

6. Conclusion: -Therefore, the number of ways to write55 is 55.

Final Answer: \boxed{55}