3. (6 points) $(1234+2341+3412+4123) \div 11=$
【Solution】Solve:
$$
\begin{aligned}
& (1234+2341+3412+4123) \div 11 \\
= & (1+2+3+4) \times 1111 \div 11 \\
= & 10 \times 101 \\
= & 1010
\end{aligned}
$$

Therefore, the answer is 1010