выполните действия: ( 2/3+0,6)*3/19-0,15

(2/3+0.6)*3/19-0.15=0.05
1.) 2/3+0.6=20/30+18/30=38/30
2.) 38/30 * 3/19= 2/10= 0.2
3.) 0.2-0.15=0.05

(2/3+0.6)*3/19-0.15
1) [tex] \frac{2}{3} + 0.6 = \frac{2}{3}+ \frac{6}{10}= \frac{20}{30}+ \frac{18}{30}= 1\frac{8}{30}=1\frac{4}{15}[/tex]
2)[tex]1\frac{4}{15}*\frac{3}{19}=\frac{17}{15}*\frac{3}{19}=\frac{17}{3}*\frac{1}{30}=\frac{17}{90}[/tex]
3)[tex]\frac{17}{90}-0.15=\frac{17}{90}-\frac{15}{100}=\frac{170}{900}-\frac{135}{900}=\frac{35}{900}=\frac{7}{450}=0,05[/tex]