\[Страница\ 45.\]
\[\boxed{\mathbf{126.}}\]
\[\textbf{а)}\ c = 8:\]
\[7c^{2} + 6 = 7 \cdot 8^{2} + 6 =\]
\[= 7 \cdot 64 + 6 = 448 + 6 = 454.\ \]
\[\textbf{б)}\ a = 2:\]
\[98 - 4a^{3} = 98 - 4 \cdot 2^{3} =\]
\[= 98 - 4 \cdot 8 = 98 - 32 = 66.\]
\[\textbf{в)}\ m = 3:\]
\[5 \cdot \left( m^{3} - 14 \right) = 5 \cdot \left( 3^{3} - 14 \right) =\]
\[= 5 \cdot (27 - 14) = 5 \cdot 13 = 65.\]
\[\boxed{\mathbf{127.}}\]
\[\textbf{а)}\ 2^{2} + 3^{3} - 3 = 4 + 27 - 3 = 28\]
\[\textbf{б)}\ 1^{6} + 4^{3}\ :4 = 1 + 4^{2} =\]
\[= 1 + 16 = 17\]
\[\textbf{в)}\ 8^{2} - {(4}^{3} - 4) =\]
\[= 64 - (64 - 4) = 64 - 60 = 4\]
\[\textbf{г)}\ \left( 9^{2} - 8^{2} \right)\ :\left( 4^{2} + 1 \right) =\]
\[= (81 - 64)\ :(16 + 1) =\]
\[= 17\ :17 = 1\]
\[\boxed{\mathbf{128.}}\]
\[Пропущенные\ слова\ \]
\[(по\ порядку).\]
\[\textbf{а)}\ делителем\ натурального\ \]
\[числа\ \text{m.}\]
\[\textbf{б)}\ кратным\ числа\ n.\]
\[\textbf{в)}\ один;само\ это\ число.\]
\[\textbf{в)}\ кратных.\]
\[\boxed{\mathbf{129.}}\]
\[Верные\ утверждения:\]
\[1,\ 3,\ 5.\]