Question

Три целых 55/165-одна целая 2/7 срочно

Answer 1

3 55/165-1 2/7=3 1/3-1 2/7=10/3-9/7=70/21-27/21=43/21=2 1/21

Answer 2

$displaystyle tt 3frac{55}{165}-1 frac{2}{7}=3frac{1}{3}-1 frac{2}{7}=3 frac{7}{21}-1 frac{6}{21}=2 frac{1}{21};$