【1】Calculate: $(34567+43675+56734+67453+75346) \div 5=(\quad)$
【Checkpoint】Rapid Calculation: Place Value Principle, Clever Calculation of Rotational Numbers.
【Analysis】
$$
\begin{aligned}
& (34567+43675+56734+67453+75346) \div 5 \\
= & (3+4+5+6+7) \times 11111 \div 5 \\
= & 25 \div 5 \times 11111 \\
= & 55555
\end{aligned}
$$

【Answer】 55555