\[Страница\ 31.\]
\[14.\ Деление\ с\ остатком.\]
\[\boxed{\mathbf{1}.}\]
\[\textbf{а)}\]
\[1831 = 6 \cdot 305 + 1.\]
\[\textbf{б)}\ \]
\[10\ 830 = 9 \cdot 1203 + 3.\]
\[\boxed{\mathbf{2}.}\]
\[\textbf{а)}\ a = 27 \cdot 31 + 23 =\]
\[= 837 + 23 = 860.\]
\[\textbf{б)}\ a = 36 \cdot 43 + 17 =\]
\[= 1548 + 17 = 1565.\]