Question

ФОТО!!ДАЮ 30 БАЛОВ!!​

Answer 1

2)15/16-5/8=15/16-10/16=5/16
3/16+5/16=8/16=1/2
Ответ:1/2
3) 9/40 + 3/4 - 19/20 = 9/40 + 30/40 - 38/40 = (9+30-38)/40 = 1/40