ГДЗ по математике 6 класс Перова рабочая тетрадь | Страница 57

\[\boxed{\text{182.}}\]

\[\frac{3}{4}\ от:\]

\[120\ :4 \cdot 3 = 30 \cdot 3 = 90\]

\[200\ :4 \cdot 3 = 50 \cdot 3 = 150\]

\[400\ :4 \cdot 3 = 100 \cdot 3 = 300\]

\[1000\ :4 \cdot 3 = 250 \cdot 3 = 750\]

\[\frac{2}{5}\ от:\]

\[120\ :5 \cdot 2 = 24 \cdot 2 = 48\]

\[200\ :5 \cdot 2 = 40 \cdot 2 = 80\]

\[400\ :5 \cdot 2 = 80 \cdot 2 = 160\]

\[1000\ :5 \cdot 2 = 200 \cdot 2 = 400\]

\[\boxed{\text{183.}}\]

\[3\ кг = 3\ 000\ грамм.\]

\[1)\ 3000\ :5 \cdot 3 = 600 \cdot 3 =\]

\[= 1800\ (г) = 1\ кг\ 800\ г -\]

\[свинины.\]

\[2)\ 3\ 000\ :5 = 600\ (г) -\]

\[говядины.\]

\[3)\ 3000 - 1800 - 600 =\]

\[= 1200 - 600 = 600\ (г) -\]

\[баранины.\]

\[\boxed{\text{184.}}\]

\[\frac{3}{8}\ от\ числа:\]

\[40 \rightarrow 15\]

\[800 \rightarrow 300\]

\[160 \rightarrow 60\]

\[880 \rightarrow 330\]

\[400 \rightarrow 150\]

\[640 \rightarrow 240\]

\[320 \rightarrow 120\]