\[\boxed{\text{948\ (948).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[3m^{2}n = 2;\ \ \ \ \ n^{2}k^{4} = 3;\ \ \ \ \ \]
\[m^{2}n = \frac{2}{3}\]
\[1){\ \left( 3m^{2}n^{2}k^{2} \right)}^{2} =\]
\[= \left( 3m^{2}n \right)^{2} \cdot \left( nk^{2} \right)^{2} =\]
\[= 2² \cdot n^{2}k^{4} = 4 \cdot 3 = 12\]
\[2)\ \left( - 2m^{2}nk^{2} \right)^{3} \cdot \left( 0,5n^{2}k \right)^{2} =\]
\[= ( - 2)^{3} \cdot \left( m^{2}nk^{2} \right)^{3} \cdot \left( 0,5n^{2}k \right)^{2} =\]
\[= - 8 \cdot \left( m^{2}k \right)^{3} \cdot k^{6} \cdot \frac{1}{4}n^{4}k^{2} =\]
\[= - 8 \cdot \left( \frac{2}{3} \right)^{3} \cdot \frac{1}{4} \cdot n^{4}k^{8} =\]
\[= - 2 \cdot \frac{8}{27} \cdot \left( n^{2}k^{4} \right)^{2} =\]
\[= - 2 \cdot \frac{8}{27} \cdot 9 = \frac{- 2 \cdot 8 \cdot 9}{27} =\]
\[= - \frac{16}{3} = - 5\frac{1}{3}\]
\[\boxed{\text{948.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ в\ 4\ часа\ ( - 4){^\circ}С;\]
\[в\ 6\ часов\ ( - 5){^\circ}С;\ \]
\[в\ 10\ часов\ ( - 2){^\circ}С;\]
\[в\ 18\ часов\ ( + 5){^\circ}С;\]
\[в\ 22\ часа\ \ 0{^\circ}С.\]
\[2)\ 5{^\circ}С\ в\ 13\ ч\ и\ в\ 18\ ч;\]
\[( - 2){^\circ}С\ в\ 3\ часа,\ 10\ часов,\ 23\ часа.\]
\[3)\ 0{^\circ}С\ в\ 2\ ч,\ 11\ ч,\ 22\ ч.\]
\[4)\ ( - 5){^\circ}С\ в\ 6\ часов.\]
\[5)\ 7{^\circ}С\ в\ 16\ ч.\]
\[6)\ ниже\ 0{^\circ}С:с\ 2\ ч\ до\ 11\ ч\ и\ \]
\[после\ 22\ ч.\]
\[выше\ 0{^\circ}С:с\ 0\ часов\ до\ 2\ ч,\ \]
\[с\ 11\ ч\ до\ 22\ ч.\]
\[7)\ повышалась\ с\ 6\ ч\ до\ 16\ ч;\]
\[понижалась\ с\ 0\ ч\ до\ 6\ ч\ и\ \]
\[с\ 16\ ч\ до\ 24\ ч.\]
\[Время,\ ч\] | \[0\] | \[2\] | \[4\] | \[6\] | \[8\] | \[10\] | \[12\] | \[14\] | \[16\] | \[18\] | \[20\] | \[22\] | \[24\] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
\[Температура,\] \[{^\circ}С\] |
\[3\] | \[0\] | \[- 4\] | \[- 5\] | \[- 3\] | \[- 2\] | \[3\] | \[6\] | \[7\] | \[5\] | \[3\] | \[0\] | \[- 3\] |