Question

Срочно помогите дам 20 баллов.

Answer 1

Ответ:

$18:10= \frac{48}{10}=4\frac{4}{5}=4.8\\ 7:10=\frac{7}{10} =0.7\\546:100=\frac{546}{100}=\frac{273}{50} =\\=5\frac{23}{50} =\\=5.46\\68:1000=\frac{68}{1000} =\\=\frac{17}{250}=\\=0.068\\2975:1000=\frac{2975}{1000} =\\=\frac{119}{40}=2\frac{39}{40} =2.975$