[tex]0.22(11- 0.3)+ \frac{4}{7} [/tex] Transforma os números decimais em fração.
[tex] \frac{22}{100} (11- \frac{3}{10})+ \frac{4}{7} [/tex]
[tex] \frac{2354}{1000} + \frac{4}{7}[/tex]
[tex] \frac{16478+4000}{7000} [/tex]
[tex] \frac{20478}{7000} = 2,92544285..[/tex]
[tex] \frac{22:2}{100:2} = \frac{11}{50}
[/tex]
[tex] \frac{11}{50} .( \frac{11}{1} - \frac{3}{10} )+ \frac{4}{7} [/tex]
[tex] \frac{11}{50} . \frac{107}{10}+ \frac{4}{7} [/tex]
[tex] \frac{1177}{500} + \frac{4}{7} [/tex]
[tex] \frac{8239+2000}{3500} [/tex]
[tex] \frac{10239}{3500} =2.9254...[/tex]