Problem
1. $\begin{array}{r}403 \\ -256 \\ \hline\end{array}$
Solution
Step 1 ：This is a simple subtraction problem. We need to subtract 256 from 403.
Step 2 ：\(403 - 256 = 147\)
Step 3 ：Final Answer: \(\boxed{147}\)
Step 1 ：This is a simple subtraction problem. We need to subtract 256 from 403.
Step 2 ：\(403 - 256 = 147\)
Step 3 ：Final Answer: \(\boxed{147}\)
