<h1>Решение</h1>
<p><strong>а)</strong></p>
<ul>
<li>$$\frac{8}{10} = 0.8$$</li>
<li>$$4 \frac{5}{100} = 4 + \frac{5}{100} = 4 + 0.05 = 4.05$$</li>
<li>$$1 \frac{204}{1000} = 1 + \frac{204}{1000} = 1 + 0.204 = 1.204$$</li>
<li>$$\frac{9}{1000} = 0.009$$</li>
<li>$$11 \frac{11}{100} = 11 + \frac{11}{100} = 11 + 0.11 = 11.11$$</li>
<li>$$\frac{7}{10000} = 0.0007$$</li>
</ul>
<p><strong>б)</strong></p>
<ul>
<li>$$6 \frac{1}{10} = 6 + \frac{1}{10} = 6 + 0.1 = 6.1$$</li>
<li>$$6 \frac{61}{100} = 6 + \frac{61}{100} = 6 + 0.61 = 6.61$$</li>
<li>$$6 \frac{61}{10000} = 6 + \frac{61}{10000} = 6 + 0.0061 = 6.0061$$</li>
<li>$$6 \frac{1}{1000} = 6 + \frac{1}{1000} = 6 + 0.001 = 6.001$$</li>
<li>$$6 \frac{61}{1000} = 6 + \frac{61}{1000} = 6 + 0.061 = 6.061$$</li>
<li>$$6 \frac{1}{100} = 6 + \frac{1}{100} = 6 + 0.01 = 6.01$$</li>
</ul>