Question

х*12/15=26/33, х:27/28=14/45, х:52/81=27/26

Answer 1

Х*12/15=26/33,
Х=26/33:12/15=26/33*15/12
Х=195/198=65/66

х:27/28=14/45,
Х=14/45*27/28
Х=3/10

х:52/81=27/26
Х=27/26*52/81
Х=2/3