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{\frac{1}{4}\sqrt{36}-4^0*\frac{1}{4}-3:1\frac{1}{2}=\frac{1}{\not4^2}\cdot \not6^3-1\cdot \frac{1}{4}-3:\frac{3}{2}=\frac{3}{2}-\frac{1}{4}-\not 3^1\cdot \frac{2}{\not3^1}=\frac{6}{4}-\frac{1}{4}-2=\frac{5}{4}-\frac{8}{4}=-\frac{3}{4}}
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16\% \cdot (-\frac{3}{4})=-\frac{\not16^4}{100}\cdot \frac{3}{\not4^1}=-\frac{4\cdot 3}{100}=-\frac{12}{100}=-0,12