§ Задание 331
\[\boxed{\text{4.\ 331}}\]
\[\textbf{а)} - 4,98 \cdot 0,265 - 3,4203 =\]
\[= - 4,74\]
\[\textbf{б)}\ 7,255 \cdot ( - 2,488) + 7,83044 =\]
\[= - 10,22\]
\[\boxed{\text{4.\ 331}}\]
\[\textbf{а)} - 4,98 \cdot 0,265 - 3,4203 =\]
\[= - 4,74\]
\[\textbf{б)}\ 7,255 \cdot ( - 2,488) + 7,83044 =\]
\[= - 10,22\]