Question

me ajude e pra amanha ​pfv

Answer 1

Resposta:

$a)\frac{8:2}{10:2}=\frac{4}{5}\\\\b)\frac{315-3}{99}=\frac{312:3}{99:3}=\frac{104}{33}\\\\c)\frac{52-5}{900}=\frac{47}{900}\\\\d)\frac{7007}{999999}\\\\e)2+\frac{47-4}{90}=2+\frac{43}{90}=\frac{180+43}{90}=\frac{223}{90}\\\\f)\frac{14-1}{90}=\frac{13}{90}$

Explicação passo-a-passo: