Solve using brackets:
`77xx23`

Answer

To solve the expression \( 77 \times 23 \) using brackets, we can follow these steps:

1. **Rewrite 23 using addition:**
We can express 23 as \( 20 + 3 \).
So, we rewrite the expression:
\[ 77 \times 23 = 77 \times (20 + 3) \]

2. **Apply the distributive property:**
According to the distributive property, we can distribute \( 77 \) to both \( 20 \) and \( 3 \):
\[ 77 \times (20 + 3) = 77 \times 20 + 77 \times 3 \]

3. **Calculate each part:**
- First, calculate \( 77 \times 20 \):
\[ 77 \times 20 = 1540 \]
- Next, calculate \( 77 \times 3 \):
\[ 77 \times 3 = 231 \]

4. **Add the results together:**
Now, we add the two results from the previous step:
\[ 1540 + 231 = 1771 \]

5. **Final answer:**
Therefore, the solution to \( 77 \times 23 \) is:
\[ 77 \times 23 = 1771 \]