Question 25
If the calculated answer is not an integer, give the nearest integer. If the calculated answer has more than five digits, give its last five digits.
Using digits 2, 5, 6, 1 exactly once each, form all decimal numbers with three decimal places, such as 2.561, 5.261, 5.612. Let their sum be $S$. Determine $1000S$.
Using digits 2, 5, 6, 1 exactly once each, form all decimal numbers with three decimal places, such as 2.561, 5.261, 5.612. Let their sum be $S$. Determine $1000S$.