3\7-(1 целая1\4-1 целая1\8 * 2\5)

Question

3\7-(1 целая1\4-1 целая1\8 * 2\5)

Answer 1

3/7-(1 1/4-1 1/8*2/5)=3/7-(1 1/4-9/20)=3/7-4/5=15/35-28/35=-13/35

Answer 2

3\7-(1 целая1\4-1 целая1\8 * 2\5)
3/7-(1/4-1целая1/4*1/5)
3/7-(1/4 - 1/20)
3/7-1/5
8/35