\(0,5.\frac{4}{3}.25\%:\frac{2}{5}+\frac{3}{5}\)
\(=\frac{1}{2}.\frac{4}{3}.\frac{1}{4}.\frac{5}{2}+\frac{3}{5}\)
\(=\frac{5}{12}+\frac{3}{5}\)
\(=\frac{25}{60}+\frac{36}{60}\)
\(=\frac{71}{60}\)
0,5.4/3.25%:2/5+3/5
= 1/2.4/3.1/4:2/5+3/5
= 2/3.1/4.5/2+3/5
= 1/6.5/2+3/5
= 5/12+3/5
= 25/60+36/60
= 61/60