Question

математика 5 класс.12/25*35, 16/21:8/27, 19 1/6+5 5/7,     5*3/7*14/19-35/2:7 1/4+8 2/5,          (5-х)*5 1/7=2 1/4

Answer 1

12/25*35=84/5
16/21:8/27=18/7
1/6+5 5/7=5 37/42