$$6 \times \frac{ 1 }{ 2 } +1 \times \frac{ 1 }{ 6 } +1 \times \frac{ 5 }{ 6 } (1.854 \div 1.8-1.5 \times 2.02)$$
$1.5$
$$\frac{6}{2}+1\times \frac{1}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$3+1\times \frac{1}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$3+\frac{1}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$\frac{18}{6}+\frac{1}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$\frac{18+1}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$\frac{19}{6}+1\times \frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$\frac{19}{6}+\frac{5}{6}\left(\frac{1.854}{1.8}-1.5\times 2.02\right)$$
$$\frac{19}{6}+\frac{5}{6}\left(\frac{1854}{1800}-1.5\times 2.02\right)$$
$$\frac{19}{6}+\frac{5}{6}\left(\frac{103}{100}-1.5\times 2.02\right)$$
$$\frac{19}{6}+\frac{5}{6}\left(\frac{103}{100}-3.03\right)$$
$$\frac{19}{6}+\frac{5}{6}\left(\frac{103}{100}-\frac{303}{100}\right)$$
$$\frac{19}{6}+\frac{5}{6}\times \frac{103-303}{100}$$
$$\frac{19}{6}+\frac{5}{6}\times \frac{-200}{100}$$
$$\frac{19}{6}+\frac{5}{6}\left(-2\right)$$
$$\frac{19}{6}+\frac{5\left(-2\right)}{6}$$
$$\frac{19}{6}+\frac{-10}{6}$$
$$\frac{19}{6}-\frac{5}{3}$$
$$\frac{19}{6}-\frac{10}{6}$$
$$\frac{19-10}{6}$$
$$\frac{9}{6}$$
$$\frac{3}{2}$$
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$\frac{3}{2} = 1\frac{1}{2} = 1.5$
