\(=\frac{30}{1}:\frac{12}{10}+\frac{615}{100}.\frac{46}{10}-\frac{182}{10}\)
\(=\frac{3.2.5}{1}.\frac{2.5}{3.2.2}+\frac{123.5}{20.5}.\frac{2.23}{2.5}-\frac{91.2}{5.2}\)
\(=\frac{25}{1}+\frac{123}{20}.\frac{23}{5}-\frac{91}{5}\)
\(=\frac{25.100}{100}+\frac{123.23}{100}-\frac{91.20}{100}\)
\(=\frac{2500+123.23-1820}{100}\)
\(=\frac{3509}{100}\)
\(=35,09\)
=30 : \(\frac{5}{6}\)+ \(\frac{123}{20}\)x \(\frac{23}{5}\)- \(\frac{91}{5}\)
= 25 + \(\frac{2829}{100}\)- \(\frac{91}{5}\)
= \(\frac{2500}{100}\)+ \(\frac{2829}{100}\)- \(\frac{1820}{100}\)
= \(\frac{2500+2829-1820}{100}\)
= \(\frac{3509}{100}\)
30 : 1,2 + 6,15 x 4,6 - 18,2
= (30 : 1,2) + (6,15 x 4,6) - 18,2
= 25 + 28,29 - 18,2
= 53,29 - 18,2
= 35,09
