\[Стр.\ 55.\]
\[\boxed{\mathbf{8.}}\]
\[А\] | \[В\] | \[С\] | \[К\] |
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\[К\] | \[А\] | \[В\] | \[С\] |
\[С\] | \[К\] | \[А\] | \[В\] |
\[В\] | \[С\] | \[К\] | \[А\] |
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\[39.\ Деление\ дробей\]
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\[умножить\ на\ число;обратное.\]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)}\ \frac{9}{16}\ :6 = \frac{9}{16} \cdot \frac{1}{6}\]
\[12\ :\frac{5}{8} = 12 \cdot \frac{8}{5}\]
\[\textbf{б)}\ \frac{3}{10}\ :\frac{8}{11} = \frac{3}{10} \cdot \frac{11}{8}\]
\[\frac{7}{12}\ :3\frac{1}{16} = \frac{7}{12}\ :\frac{49}{16} = \frac{7}{12} \cdot \frac{16}{49}\]