(800.565-565) :1000

To solve this expression, we need to perform the subtraction first and then the division.

800.565 - 565 = 235.565

Now, let's divide this result by 1000:

235.565 / 1000 = 0.235565

So, the value of (800.565 - 565) divided by 1000 is 0.235565.