\[\boxed{\text{182.}}\]
\[\frac{3}{4}\ от:\]
\[120\ :4 \cdot 3 = 30 \cdot 3 = 90\]
\[200\ :4 \cdot 3 = 50 \cdot 3 = 150\]
\[400\ :4 \cdot 3 = 100 \cdot 3 = 300\]
\[1000\ :4 \cdot 3 = 250 \cdot 3 = 750\]
\[\frac{2}{5}\ от:\]
\[120\ :5 \cdot 2 = 24 \cdot 2 = 48\]
\[200\ :5 \cdot 2 = 40 \cdot 2 = 80\]
\[400\ :5 \cdot 2 = 80 \cdot 2 = 160\]
\[1000\ :5 \cdot 2 = 200 \cdot 2 = 400\]
\[\boxed{\text{183.}}\]
\[3\ кг = 3\ 000\ грамм.\]
\[1)\ 3000\ :5 \cdot 3 = 600 \cdot 3 =\]
\[= 1800\ (г) = 1\ кг\ 800\ г -\]
\[свинины.\]
\[2)\ 3\ 000\ :5 = 600\ (г) -\]
\[говядины.\]
\[3)\ 3000 - 1800 - 600 =\]
\[= 1200 - 600 = 600\ (г) -\]
\[баранины.\]
\[\boxed{\text{184.}}\]
\[\frac{3}{8}\ от\ числа:\]
\[40 \rightarrow 15\]
\[800 \rightarrow 300\]
\[160 \rightarrow 60\]
\[880 \rightarrow 330\]
\[400 \rightarrow 150\]
\[640 \rightarrow 240\]
\[320 \rightarrow 120\]