$$
\begin{array}{l}
3 \times 232+456= \\
760 \times 5-2880= \\
805 \div 7= \\
45+255 \div 5=
\end{array}
$$

1. (6 points) Calculate:
$$
\begin{array}{l}
3 \times 232+456= \\
760 \times 5-2880= \\
805 \div 7= \\
45+255 \div 5=
\end{array}
$$