To solve the subtraction $3719 - 3605$:

1. Write the numbers in column form:

  3719
- 3605
------

2. Subtract each digit starting from the rightmost column:

   • Units: $9 - 5 = 4$
   • Tens: $1 - 0 = 1$
   • Hundreds: $7 - 6 = 1$
   • Thousands: $3 - 3 = 0$

3. Write down the results of each subtraction:

  3719
- 3605
------
  0114

So, $3719 - 3605 = 114$.

Would you like a more detailed explanation of the subtraction process, or do you have any other questions?

Here are some related questions you might find interesting:

1. How do you handle subtraction when the top digit is smaller than the bottom digit?
2. What is the borrowing method in subtraction?
3. How can you check your subtraction result for accuracy?
4. What are common mistakes to avoid when subtracting large numbers?
5. How does subtraction relate to addition?
6. What are the properties of subtraction?
7. How do you subtract numbers with decimals?
8. How does subtraction work with negative numbers?

Tip: Always align numbers by their place values (units, tens, hundreds, etc.) when performing subtraction to avoid mistakes.