Question

7/9 5/11=33/104/y-3,5

Answer 1

Ответ:

7/9 5/11-33/104/y-3,5 7×11/104=33/104/y-3,5 77/104-33/104/y-3,5 33/104/y=77/104+3,5 33/104/y=3 77+52/104 33/104/y=3 129/104-4 25/104 33/104y=441/104 y=441/104×104/33 y=441/33